Événements trail Mountain House, CA
Beginner Birding at the Ripon River Trail
Sat, Feb 28, 8:00 AM
Ripon · Lower Stanislaus River Multi-Use Trail
Beginner Birding at the Ripon River Trail
Sat, Feb 28, 8:00 AM
Ripon · Lower Stanislaus River Multi-Use Trail
Trail 101-Explore the dirt(ier) side of running!
Sun, Feb 22, 9:00 AM
San Francisco · Sports Basement Presidio
Trail 101-Explore the dirt(ier) side of running!
Sun, Feb 22, 9:00 AM
San Francisco · Sports Basement Presidio
Family Bird Walk
Sat, Feb 21, 12:00 PM
Fremont · San Francisco Bay National Wildlife Refuge Visitor Center
Family Bird Walk
Sat, Feb 21, 12:00 PM
Fremont · San Francisco Bay National Wildlife Refuge Visitor Center
Volunteer Outdoors in MV Shoreline Marsh Habitat Restoration
Sat, Feb 21, 9:00 AM
Mountain View · PARKING LOCATION, SEE DESCRIPTION FOR EVENT LOCATION
Volunteer Outdoors in MV Shoreline Marsh Habitat Restoration
Sat, Feb 21, 9:00 AM
Mountain View · PARKING LOCATION, SEE DESCRIPTION FOR EVENT LOCATION
Natural and Cultural History Walk at Cosumnes River Preserve!
Sat, Jun 6, 9:00 AM + 4 plus
Galt · Cosumnes River Preserve
Natural and Cultural History Walk at Cosumnes River Preserve!
Sat, Jun 6, 9:00 AM + 4 plus
Galt · Cosumnes River Preserve
Mangini Ranch Meditation Hike
Sat, Aug 8, 7:00 AM
Concord · California Riding & Hiking Trail Trailhead
Mangini Ranch Meditation Hike
Sat, Aug 8, 7:00 AM
Concord · California Riding & Hiking Trail Trailhead
Salt Marsh Walk
Sun, Mar 15, 11:00 AM
Fremont · San Francisco Bay National Wildlife Refuge Visitor Center
Salt Marsh Walk
Sun, Mar 15, 11:00 AM
Fremont · San Francisco Bay National Wildlife Refuge Visitor Center
Wildflower Hike - Mitchell Canyon
Sat, Apr 25, 9:00 AM
Clayton · Mitchell Canyon Interpretive Center Parking Area
Wildflower Hike - Mitchell Canyon
Sat, Apr 25, 9:00 AM
Clayton · Mitchell Canyon Interpretive Center Parking Area

Twilight Marsh Walk for the First Day of Spring
Sat, Mar 21, 6:15 PM
Fremont · San Francisco Bay National Wildlife Refuge Visitor Center

Twilight Marsh Walk for the First Day of Spring
Sat, Mar 21, 6:15 PM
Fremont · San Francisco Bay National Wildlife Refuge Visitor Center
Mitchell Canyon Medicinal Herb Walk
Sat, May 2, 9:00 AM
Clayton · Mitchell Canyon Interpretive Center Parking Area
Mitchell Canyon Medicinal Herb Walk
Sat, May 2, 9:00 AM
Clayton · Mitchell Canyon Interpretive Center Parking Area
2026 New Year Challenge -Year of the Horse 2.026 Mile 20.26 Mile 202.6 MILE
Sunday at 1:00 PM
San Jose · San Jose
2026 New Year Challenge -Year of the Horse 2.026 Mile 20.26 Mile 202.6 MILE
Sunday at 1:00 PM
San Jose · San Jose
The Morning Side of Mount Diablo from Morgan Territory
Sun, Oct 25, 9:00 AM
Clayton · Morgan Territory Regional Preserve Staging Area
The Morning Side of Mount Diablo from Morgan Territory
Sun, Oct 25, 9:00 AM
Clayton · Morgan Territory Regional Preserve Staging Area