Halloween Hike on Devil Mountain

Sun · Oct 25·9 AM – 12 PM·Save Mount Diablo · Walnut Creek

We'll hike Bob Walker Ridge through native blue oak forests and enjoy a closeup view of the eastern side of Mount Diablo. Read More

Sun · Oct 25·10 AM – 1 PM·The Ruth Bancroft Garden, 1552 Bancroft Road, Walnut Creek, CA

Pumpkin Decorating Workshop for Kids (Ages 0–15) Get creative this fall at our Pumpkin Decorating Workshop, perfect for children up to 15 years old! Each participant will receive a mini pumpkin to transform using a wide variety of craft supplies, including: googly eyes, pipe cleaners, stickers, paint, and so much more!…

Sun · Oct 25·10 AM·Black Diamond Mines (Antioch): Greathouse Visitor Center

BLACK DIAMOND MINES REGIONAL PRESERVE - Join the Black Diamond Mines Autumn Open House Weekend to learn the stories of those who carved a life for themselves in these hills and explore the underground workings they left behind. Free Coal Mine Experience tours will be provided on a first come, first served basis - maxim…

Sat · Sep 26·4:45 PM – 7 PM·Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA

Sat · Oct 10·6 PM – 9 PM·Lower Summit Parking Lot, Summit Rd, Walnut Creek, CA 94598, USA

Wed · Oct 14·8:30 AM – 12:30 PM·Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA

Wed · Oct 21·7 PM – 8 PM·Webinar · Walnut Creek