Upcoming Events

Multiple Dates
Sat, Sep 05
How I Learned to Love Tarantulas/Evening Nature Walk
Mitchell Canyon Visitor Center
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Sep 05, 2026, 5:00 PM – 7:15 PM
Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA
Reservations required
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Sun, Sep 06
Tarantula Trek
Mitchell Canyon Visitor Center
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Sep 06, 2026, 5:45 PM – 8:30 PM
Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA
Reservations required - Hike is Full!
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Multiple Dates
Wed, Sep 09
Wonder Hikes 2026
Mitchell Canyon Visitor Center
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Sep 09, 2026, 8:30 AM – 12:30 PM
Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA
Reservation required
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Wed, Sep 09
Wild Mount Diablo Film Fest
Webinar
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Sep 09, 2026, 7:00 PM – 8:00 PM
Webinar
Webinar - Registration Required
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Multiple Dates
Sat, Sep 12
How I Learned to Love Tarantulas/Evening Nature Walk
Mitchell Canyon Visitor Center
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Sep 12, 2026, 5:00 PM – 7:15 PM
Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA
Reservations required
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Multiple Dates
Sat, Sep 12
Are You Solar Powered?
Lower Summit Parking Lot
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Sep 12, 2026, 6:30 PM – 9:30 PM
Lower Summit Parking Lot, Summit Rd, Walnut Creek, CA 94598, USA
Lower Summit Parking Lot
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Multiple Dates
Sun, Sep 13
How I Learned to Love Tarantulas/Evening Nature Walk
Mitchell Canyon Visitor Center
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Sep 13, 2026, 5:00 PM – 7:15 PM
Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA
Reservations required
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Multiple Dates
Sun, Sep 20
How I Learned to Love Tarantulas/Evening Nature Walk
Mitchell Canyon Visitor Center
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Sep 20, 2026, 5:00 PM – 7:15 PM
Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA
Reservations required
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Multiple Dates
Sat, Sep 26
How I Learned to Love Tarantulas/Evening Nature Walk
Mitchell Canyon Visitor Center
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Sep 26, 2026, 4:45 PM – 7:00 PM
Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA
Reservations required
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Multiple Dates
Sun, Sep 27
How I Learned to Love Tarantulas/Evening Nature Walk
Mitchell Canyon Visitor Center
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Sep 27, 2026, 4:45 PM – 7:00 PM
Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA
Reservations required
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Multiple Dates
Sat, Oct 03
How I Learned to Love Tarantulas/Evening Nature Walk
Mitchell Canyon Visitor Center
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Oct 03, 2026, 4:30 PM – 6:45 PM
Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA
Reservations required
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Multiple Dates
Sun, Oct 04
How I Learned to Love Tarantulas/Evening Nature Walk
Mitchell Canyon Visitor Center
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Oct 04, 2026, 4:30 PM – 6:45 PM
Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA
Reservations required
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Multiple Dates
Sat, Oct 10
How I Learned to Love Tarantulas/Evening Nature Walk
Mitchell Canyon Visitor Center
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Oct 10, 2026, 4:30 PM – 6:45 PM
Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA
Reservations required
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Multiple Dates
Sat, Oct 10
CubeSats, the Small Satellite Revolution
Lower Summit Parking Lot
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Oct 10, 2026, 6:00 PM – 9:00 PM
Lower Summit Parking Lot, Summit Rd, Walnut Creek, CA 94598, USA
Lower Summit Parking Lot
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Multiple Dates
Sun, Oct 11
How I Learned to Love Tarantulas/Evening Nature Walk
Mitchell Canyon Visitor Center
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Oct 11, 2026, 4:30 PM – 6:45 PM
Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA
Reservations required
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Multiple Dates
Wed, Oct 14
Wonder Hikes 2026
Mitchell Canyon Visitor Center
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Oct 14, 2026, 8:30 AM – 12:30 PM
Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA
Reservation required
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Sun, Oct 25
Halloween Hike on Devil Mountain
Mitchell Canyon Visitors Center
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Oct 25, 2026, 3:00 PM – 6:00 PM
Mitchell Canyon Visitors Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA
Registration Required
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Multiple Dates
Wed, Nov 11
Wonder Hikes 2026
Mitchell Canyon Visitor Center
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Nov 11, 2026, 9:00 AM – 1:00 PM
Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA
Reservation required
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