Save Mount Diablo
@savemountdiablo.bsky.social
Preserve, Defend, Restore, Educate, Enjoy.
Since 1971, we and our partners have protected over 120,000 acres on and around Mount Diablo.
https://lnk.bio/savemountdiablo
Since 1971, we and our partners have protected over 120,000 acres on and around Mount Diablo.
https://lnk.bio/savemountdiablo
Happy International Mountain Day! Mountains have deep meaning to people, including here in the Bay Area. On Pearl Harbor Day, people look to Mount Diablo to see the Beacon be lit in honor of our veterans.
📸: Ted Clement
📸: Ted Clement
December 11, 2025 at 5:02 PM
Happy International Mountain Day! Mountains have deep meaning to people, including here in the Bay Area. On Pearl Harbor Day, people look to Mount Diablo to see the Beacon be lit in honor of our veterans.
📸: Ted Clement
📸: Ted Clement
Our Mangini Preserve pollinator gardens are thriving!
Our team spotted this hummingbird enjoying the California fuchsia at our Mangini Preserve just the other day.
California fuchsia (Epilobium canum) is one of the native plants that we've planted in our pollinator gardens.
📸: Sean Burke
Our team spotted this hummingbird enjoying the California fuchsia at our Mangini Preserve just the other day.
California fuchsia (Epilobium canum) is one of the native plants that we've planted in our pollinator gardens.
📸: Sean Burke
December 10, 2025 at 5:05 PM
Our Mangini Preserve pollinator gardens are thriving!
Our team spotted this hummingbird enjoying the California fuchsia at our Mangini Preserve just the other day.
California fuchsia (Epilobium canum) is one of the native plants that we've planted in our pollinator gardens.
📸: Sean Burke
Our team spotted this hummingbird enjoying the California fuchsia at our Mangini Preserve just the other day.
California fuchsia (Epilobium canum) is one of the native plants that we've planted in our pollinator gardens.
📸: Sean Burke
Good news for nature! A new study found that recorded extinctions peaked ~100 years ago, especially for plants and some animals. We may be able to avoid the worst of our mass-extinction fears.
➡ www.wienslab.com/Publications_files/Saban_Wiens_PRSL_2025.pdf
📸: Scott Hein
➡ www.wienslab.com/Publications_files/Saban_Wiens_PRSL_2025.pdf
📸: Scott Hein
December 9, 2025 at 5:02 PM
Good news for nature! A new study found that recorded extinctions peaked ~100 years ago, especially for plants and some animals. We may be able to avoid the worst of our mass-extinction fears.
➡ www.wienslab.com/Publications_files/Saban_Wiens_PRSL_2025.pdf
📸: Scott Hein
➡ www.wienslab.com/Publications_files/Saban_Wiens_PRSL_2025.pdf
📸: Scott Hein
Please make a gift for the mountain to help us continue our conservation momentum through next year, and beyond.
Because of you, Save Mount Diablo and its partners have nearly tripled the size of Mount Diablo State Park since 1971. Thank you!
savemountdiablo.org/donate
📸: @heinphoto.bsky.social
Because of you, Save Mount Diablo and its partners have nearly tripled the size of Mount Diablo State Park since 1971. Thank you!
savemountdiablo.org/donate
📸: @heinphoto.bsky.social
December 8, 2025 at 5:05 PM
Please make a gift for the mountain to help us continue our conservation momentum through next year, and beyond.
Because of you, Save Mount Diablo and its partners have nearly tripled the size of Mount Diablo State Park since 1971. Thank you!
savemountdiablo.org/donate
📸: @heinphoto.bsky.social
Because of you, Save Mount Diablo and its partners have nearly tripled the size of Mount Diablo State Park since 1971. Thank you!
savemountdiablo.org/donate
📸: @heinphoto.bsky.social
Chinook salmon have now been spotted in the upper Alameda Creek watershed!
This is the first time the salmon have accessed this area of their own accord since the 1950s, says CalTrout.
📸: Chinook salmon by Dan Sarka
www.sfgate.com/local/articl...
This is the first time the salmon have accessed this area of their own accord since the 1950s, says CalTrout.
📸: Chinook salmon by Dan Sarka
www.sfgate.com/local/articl...
December 5, 2025 at 5:04 PM
Chinook salmon have now been spotted in the upper Alameda Creek watershed!
This is the first time the salmon have accessed this area of their own accord since the 1950s, says CalTrout.
📸: Chinook salmon by Dan Sarka
www.sfgate.com/local/articl...
This is the first time the salmon have accessed this area of their own accord since the 1950s, says CalTrout.
📸: Chinook salmon by Dan Sarka
www.sfgate.com/local/articl...
Enjoy spectacular views of Los Vaqueros Reservoir as well as the serene solitude that only nature can provide on the Cañada Trail.
This short and beautiful trail is a gateway into the Mount Diablo region's wilderness and provides an excellent challenge.
📸: Karen Bakar
This short and beautiful trail is a gateway into the Mount Diablo region's wilderness and provides an excellent challenge.
📸: Karen Bakar
December 4, 2025 at 5:02 PM
Enjoy spectacular views of Los Vaqueros Reservoir as well as the serene solitude that only nature can provide on the Cañada Trail.
This short and beautiful trail is a gateway into the Mount Diablo region's wilderness and provides an excellent challenge.
📸: Karen Bakar
This short and beautiful trail is a gateway into the Mount Diablo region's wilderness and provides an excellent challenge.
📸: Karen Bakar
Thanks to you, we soared to our Giving Tuesday goal!
In the face of mounting development threats and climate change, this work is more necessary than ever.
Every dollar you donated on Giving Tuesday will help Mount Diablo thrive. Thank you.
📸: Sean Burke
In the face of mounting development threats and climate change, this work is more necessary than ever.
Every dollar you donated on Giving Tuesday will help Mount Diablo thrive. Thank you.
📸: Sean Burke
December 3, 2025 at 5:02 PM
Thanks to you, we soared to our Giving Tuesday goal!
In the face of mounting development threats and climate change, this work is more necessary than ever.
Every dollar you donated on Giving Tuesday will help Mount Diablo thrive. Thank you.
📸: Sean Burke
In the face of mounting development threats and climate change, this work is more necessary than ever.
Every dollar you donated on Giving Tuesday will help Mount Diablo thrive. Thank you.
📸: Sean Burke
We are overjoyed to share that as of today, one of Mount Diablo’s last privately owned inholdings is now permanently protected!
Bob Nunn has generously donated the Nunn-Paulsen inholding to Save Mount Diablo in memory of his late father, Ron Nunn.
Bob Nunn has generously donated the Nunn-Paulsen inholding to Save Mount Diablo in memory of his late father, Ron Nunn.
One of the Last Inholdings on Mount Diablo Is Protected by Generous Donation
Bob Nunn Donates “Nunn-Paulsen Inholding” to Save Mount Diablo in Memory of Father, Ron Nunn MOUNT DIABLO, CA— One of Mount Diablo’s last privately owned inholdings, rugged and biodiverse, is…
savemountdiablo.org
December 2, 2025 at 11:17 PM
We are overjoyed to share that as of today, one of Mount Diablo’s last privately owned inholdings is now permanently protected!
Bob Nunn has generously donated the Nunn-Paulsen inholding to Save Mount Diablo in memory of his late father, Ron Nunn.
Bob Nunn has generously donated the Nunn-Paulsen inholding to Save Mount Diablo in memory of his late father, Ron Nunn.
Let's go WILD for Mount Diablo on #GivingTuesday.
Tomorrow, every dollar you give, up to $10,000, will be doubled by two generous donors, Jim and Bette Felton!
This is your chance to make your money go twice as far for nature.
savemountdiablo.org/donate
Tomorrow, every dollar you give, up to $10,000, will be doubled by two generous donors, Jim and Bette Felton!
This is your chance to make your money go twice as far for nature.
savemountdiablo.org/donate
December 1, 2025 at 5:02 PM
Let's go WILD for Mount Diablo on #GivingTuesday.
Tomorrow, every dollar you give, up to $10,000, will be doubled by two generous donors, Jim and Bette Felton!
This is your chance to make your money go twice as far for nature.
savemountdiablo.org/donate
Tomorrow, every dollar you give, up to $10,000, will be doubled by two generous donors, Jim and Bette Felton!
This is your chance to make your money go twice as far for nature.
savemountdiablo.org/donate
Today, we're skipping the Black Friday shopping and getting outside to celebrate #GreenFriday! 🌳⛰
#OptOutside today and check out our online guide to hikes up and down the #DiabloRange: savemountdiablo.org/experience/f...
📸: Scott Hein, Emily Sherwood, and Mary Nagle
#OptOutside today and check out our online guide to hikes up and down the #DiabloRange: savemountdiablo.org/experience/f...
📸: Scott Hein, Emily Sherwood, and Mary Nagle
November 28, 2025 at 5:05 PM
Today, we're skipping the Black Friday shopping and getting outside to celebrate #GreenFriday! 🌳⛰
#OptOutside today and check out our online guide to hikes up and down the #DiabloRange: savemountdiablo.org/experience/f...
📸: Scott Hein, Emily Sherwood, and Mary Nagle
#OptOutside today and check out our online guide to hikes up and down the #DiabloRange: savemountdiablo.org/experience/f...
📸: Scott Hein, Emily Sherwood, and Mary Nagle
Today, we're giving thanks to the extraordinary community who makes Save Mount Diablo's ambitious work possible, to our staff and supporters, and, of course, to Mount Diablo's awe-inspiring wild lands.
📸: Shannon Grover, Laura Kindsvater, Kendall Oei, and Jessamyn Photography
📸: Shannon Grover, Laura Kindsvater, Kendall Oei, and Jessamyn Photography
November 27, 2025 at 5:05 PM
Today, we're giving thanks to the extraordinary community who makes Save Mount Diablo's ambitious work possible, to our staff and supporters, and, of course, to Mount Diablo's awe-inspiring wild lands.
📸: Shannon Grover, Laura Kindsvater, Kendall Oei, and Jessamyn Photography
📸: Shannon Grover, Laura Kindsvater, Kendall Oei, and Jessamyn Photography
Meet California's blue oak (Quercus douglasii)!
Oaks support the largest number of butterflies and moths in North America as a host plant. They are among the best things to plant to support wildlife, including a wide variety of mammals and birds.
📸: Mary Nagle and Laura Kindsvater
Oaks support the largest number of butterflies and moths in North America as a host plant. They are among the best things to plant to support wildlife, including a wide variety of mammals and birds.
📸: Mary Nagle and Laura Kindsvater
November 26, 2025 at 5:04 PM
Meet California's blue oak (Quercus douglasii)!
Oaks support the largest number of butterflies and moths in North America as a host plant. They are among the best things to plant to support wildlife, including a wide variety of mammals and birds.
📸: Mary Nagle and Laura Kindsvater
Oaks support the largest number of butterflies and moths in North America as a host plant. They are among the best things to plant to support wildlife, including a wide variety of mammals and birds.
📸: Mary Nagle and Laura Kindsvater
Badgers like this are still rare in the Mount Diablo region, but thanks to conservation work up and down the Diablo Range, they're coming back.
Your support helps them have a place to return to in the East Bay.
savemountdiablo.org/donate
Photo: Scott Hein
Your support helps them have a place to return to in the East Bay.
savemountdiablo.org/donate
Photo: Scott Hein
November 25, 2025 at 5:02 PM
Badgers like this are still rare in the Mount Diablo region, but thanks to conservation work up and down the Diablo Range, they're coming back.
Your support helps them have a place to return to in the East Bay.
savemountdiablo.org/donate
Photo: Scott Hein
Your support helps them have a place to return to in the East Bay.
savemountdiablo.org/donate
Photo: Scott Hein
With the start of the season's rain upon us, water is returning to Marsh Creek and Curry Creek and the leaves are turning on the sycamores, big leaf maples, and cottonwoods.
Get the inside scoop on our #stewardship work, check out our new stewardship update ⬇️
Get the inside scoop on our #stewardship work, check out our new stewardship update ⬇️
Outdoor Adventures, Fall Field Trips, and Wrapping Up the Watering Season
Stewardship Update Written by Haley Sutton, Land Stewardship Associate and Kendra Smith, Education & Outreach Coordinator Wrapping Up Watering for the Season We experienced the first rains of the…
savemountdiablo.org
November 24, 2025 at 5:04 PM
With the start of the season's rain upon us, water is returning to Marsh Creek and Curry Creek and the leaves are turning on the sycamores, big leaf maples, and cottonwoods.
Get the inside scoop on our #stewardship work, check out our new stewardship update ⬇️
Get the inside scoop on our #stewardship work, check out our new stewardship update ⬇️
Our outdoor education program just got a bit bigger with the creation of our new fall camps!
About 80 students visited our lands over the course of a week this October, pitching in on service projects and enjoying nature.
bit.ly/SMD-fall-CARES
📸: Emily Sherwood
About 80 students visited our lands over the course of a week this October, pitching in on service projects and enjoying nature.
bit.ly/SMD-fall-CARES
📸: Emily Sherwood
November 21, 2025 at 5:05 PM
Our outdoor education program just got a bit bigger with the creation of our new fall camps!
About 80 students visited our lands over the course of a week this October, pitching in on service projects and enjoying nature.
bit.ly/SMD-fall-CARES
📸: Emily Sherwood
About 80 students visited our lands over the course of a week this October, pitching in on service projects and enjoying nature.
bit.ly/SMD-fall-CARES
📸: Emily Sherwood
We're delighted to share that a generous anonymous donor will be matching up to $100,000 of your donations toward our year-end fundraising goal. Thanks to their support, your gift will make twice the impact!
savemountdiablo.org/donate
Photo: Scott Hein
savemountdiablo.org/donate
Photo: Scott Hein
November 20, 2025 at 5:03 PM
We're delighted to share that a generous anonymous donor will be matching up to $100,000 of your donations toward our year-end fundraising goal. Thanks to their support, your gift will make twice the impact!
savemountdiablo.org/donate
Photo: Scott Hein
savemountdiablo.org/donate
Photo: Scott Hein
This September, at least three California condors paid the East Bay a visit!
Since 2021, when a California condor returned to Mount Diablo for the first time in over a century, condors have been flying up to our area every year as their territory continues to expand.
Since 2021, when a California condor returned to Mount Diablo for the first time in over a century, condors have been flying up to our area every year as their territory continues to expand.
November 19, 2025 at 5:03 PM
This September, at least three California condors paid the East Bay a visit!
Since 2021, when a California condor returned to Mount Diablo for the first time in over a century, condors have been flying up to our area every year as their territory continues to expand.
Since 2021, when a California condor returned to Mount Diablo for the first time in over a century, condors have been flying up to our area every year as their territory continues to expand.
Our wild lands are threatened by development and climate change. They need your support.
In just two weeks, you will have the chance to help our wild neighbors survive and thrive. Mark your calendars for Giving Tuesday on December 2nd!
savemountdiablo.org/donate
📸: Scott Hein
In just two weeks, you will have the chance to help our wild neighbors survive and thrive. Mark your calendars for Giving Tuesday on December 2nd!
savemountdiablo.org/donate
📸: Scott Hein
November 18, 2025 at 5:02 PM
Our wild lands are threatened by development and climate change. They need your support.
In just two weeks, you will have the chance to help our wild neighbors survive and thrive. Mark your calendars for Giving Tuesday on December 2nd!
savemountdiablo.org/donate
📸: Scott Hein
In just two weeks, you will have the chance to help our wild neighbors survive and thrive. Mark your calendars for Giving Tuesday on December 2nd!
savemountdiablo.org/donate
📸: Scott Hein
Today is #NationalTakeAHikeDay! Sounds like a great reason to get outside and explore Mount Diablo to us!
Need some new hike ideas? Check out our favorite trails on Mount Diablo and up and down the Diablo Range.
⬇️⬇️⬇️
Need some new hike ideas? Check out our favorite trails on Mount Diablo and up and down the Diablo Range.
⬇️⬇️⬇️
Hikes in the Diablo Range
Explore Save Mount Diablo's guide to the many beautiful hikes on and around Mount Diablo, and throughout the expansive Diablo Range.
savemountdiablo.org
November 17, 2025 at 5:06 PM
Today is #NationalTakeAHikeDay! Sounds like a great reason to get outside and explore Mount Diablo to us!
Need some new hike ideas? Check out our favorite trails on Mount Diablo and up and down the Diablo Range.
⬇️⬇️⬇️
Need some new hike ideas? Check out our favorite trails on Mount Diablo and up and down the Diablo Range.
⬇️⬇️⬇️
Del Puerto Canyon is at risk! Please speak out to oppose the proposed Del Puerto Canyon reservoir at the next California Water Commission meeting, and submit your written comment by Nov. 17.
cwc.ca.gov/-/media/CWC-Website/Files/Documents/2025/11_November/November2025_Agenda_Final.pdf
cwc.ca.gov/-/media/CWC-Website/Files/Documents/2025/11_November/November2025_Agenda_Final.pdf
November 14, 2025 at 5:01 PM
Del Puerto Canyon is at risk! Please speak out to oppose the proposed Del Puerto Canyon reservoir at the next California Water Commission meeting, and submit your written comment by Nov. 17.
cwc.ca.gov/-/media/CWC-Website/Files/Documents/2025/11_November/November2025_Agenda_Final.pdf
cwc.ca.gov/-/media/CWC-Website/Files/Documents/2025/11_November/November2025_Agenda_Final.pdf
November is #NativeAmericanHeritageMonth!
Learn more about the history of Mount Diablo's native peoples here, and how you can support them:
Learn more about the history of Mount Diablo's native peoples here, and how you can support them:
A Brief History of Native Peoples around Mount Diablo, and Treating Their Cultural Artifacts with Respect
By Queenie Li and Sean Burke We are incredibly lucky to have such a diverse number of native peoples who have lived in California and along the entire West Coast.…
savemountdiablo.org
November 13, 2025 at 5:07 PM
November is #NativeAmericanHeritageMonth!
Learn more about the history of Mount Diablo's native peoples here, and how you can support them:
Learn more about the history of Mount Diablo's native peoples here, and how you can support them:
Caught on camera 📸
This great blue heron stopped by one of our properties for a drink.
The great blue heron has a range that stretches from as far north as Alaska all the way down to Venezuela. They can be found mostly along shorelines and marshlands.
source: allaboutbirds.org
This great blue heron stopped by one of our properties for a drink.
The great blue heron has a range that stretches from as far north as Alaska all the way down to Venezuela. They can be found mostly along shorelines and marshlands.
source: allaboutbirds.org
November 12, 2025 at 5:04 PM
Caught on camera 📸
This great blue heron stopped by one of our properties for a drink.
The great blue heron has a range that stretches from as far north as Alaska all the way down to Venezuela. They can be found mostly along shorelines and marshlands.
source: allaboutbirds.org
This great blue heron stopped by one of our properties for a drink.
The great blue heron has a range that stretches from as far north as Alaska all the way down to Venezuela. They can be found mostly along shorelines and marshlands.
source: allaboutbirds.org
This Friday and Saturday, you have the opportunity to spend a day, or two, outside giving back to the mountain we all love.
Join our Pine Canyon Cleanup! savemountdiablo.volunteerhub.com/vv2/lp/smddirt/
📸: 2024 Pine Canyon Cleanup, chipping along the Knobcone Point Trail | Mary Nagle
Join our Pine Canyon Cleanup! savemountdiablo.volunteerhub.com/vv2/lp/smddirt/
📸: 2024 Pine Canyon Cleanup, chipping along the Knobcone Point Trail | Mary Nagle
November 11, 2025 at 5:04 PM
This Friday and Saturday, you have the opportunity to spend a day, or two, outside giving back to the mountain we all love.
Join our Pine Canyon Cleanup! savemountdiablo.volunteerhub.com/vv2/lp/smddirt/
📸: 2024 Pine Canyon Cleanup, chipping along the Knobcone Point Trail | Mary Nagle
Join our Pine Canyon Cleanup! savemountdiablo.volunteerhub.com/vv2/lp/smddirt/
📸: 2024 Pine Canyon Cleanup, chipping along the Knobcone Point Trail | Mary Nagle
Tomorrow night, we will honor Veterans Day by lighting the Beacon atop Mount Diablo's summit. The Beacon will shine down on the Diablo region until it is rested at sunrise.
savemountdiablo.org/experience/e...
📸: Stephen Joseph
savemountdiablo.org/experience/e...
📸: Stephen Joseph
November 10, 2025 at 5:05 PM
Tomorrow night, we will honor Veterans Day by lighting the Beacon atop Mount Diablo's summit. The Beacon will shine down on the Diablo region until it is rested at sunrise.
savemountdiablo.org/experience/e...
📸: Stephen Joseph
savemountdiablo.org/experience/e...
📸: Stephen Joseph
With steep ridges and a vast network of trails, Las Trampas Regional Wilderness Preserve offers visitors a true sense of wilderness despite its proximity to the bustling Highway 680 corridor.
savemountdiablo.org/blog/las-tra...
📸: Karen Bakar
savemountdiablo.org/blog/las-tra...
📸: Karen Bakar
November 7, 2025 at 5:05 PM
With steep ridges and a vast network of trails, Las Trampas Regional Wilderness Preserve offers visitors a true sense of wilderness despite its proximity to the bustling Highway 680 corridor.
savemountdiablo.org/blog/las-tra...
📸: Karen Bakar
savemountdiablo.org/blog/las-tra...
📸: Karen Bakar