Upcoming Events

• 

  
  Multiple Dates

  Sat, Apr 05

  Natural History of Plants Walk / 

  Mitchell Canyon Visitor Center

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  Apr 05, 2025, 1:00 PM – 3:30 PM

  Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA

  Reservation Required
• 

  
  Multiple Dates

  Sat, Apr 12

  Twin Peaks Wildflower Hike / 

  Mitchell Canyon Visitor Center

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  Apr 12, 2025, 9:30 AM – 1:30 PM

  Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA

  Reservation required (see below)
• 

  
  Multiple Dates

  Sat, Apr 19

  Wildflower and Pollinator Walk / 

  Mitchell Canyon Visitor Center

  Learn more

  Apr 19, 2025, 9:00 AM – 12:30 PM

  Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA

  Reservation required (see below)
• 

  
  Multiple Dates

  Wed, Apr 23

  Wonder Hikes 2025 / 

  Mitchell Canyon Visitor Center

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  Apr 23, 2025, 8:30 AM – 12:30 PM

  Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA

  Reservation required
• 

  
  Sun, Apr 27

  Rocks on the Move / 

  Rock City parking area

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  Apr 27, 2025, 9:30 AM – 2:00 PM

  Rock City parking area, S Gate Rd, Danville, CA 94506, USA

  Reservation Required
• 

  
  Sun, May 04

  Mount Diablo Wildflower Walk / 

  Mitchell Canyon Visitor Center

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  May 04, 2025, 9:00 AM – 12:00 PM

  Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA

  Reservation Required
• 

  
  Sun, May 18

  Peregrine Wander / 

  Castle Rock Recreational Area

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  May 18, 2025, 9:30 AM – 12:00 PM

  Castle Rock Recreational Area, 1700 Castle Rock Rd, Walnut Creek, CA 94598, USA

  Reservation Required
• 

  
  Multiple Dates

  Fri, Jul 25

  Common Poorwill Hike / 

  Mitchell Canyon Visitor Center

  Learn more

  Jul 25, 2025, 7:00 PM – 10:30 PM

  Mitchell Canyon Visitor Center, 96 Mitchell Canyon Rd, Clayton, CA 94517, USA

  Reservation required