Check out our event listing below to see everything that’s happening at Midpen! You can join a guided activity along the trails led by one of our docent naturalists, take part in a volunteer project to restore and maintain open space lands, visit with us at a community event or attend a public meeting. Click on the terms in the yellow boxes to create a filtered view by activity type, preserve or level of difficulty.
Some activities require online reservations. Details are provided in the description if reservations are required.
| Activity | Title | Date Sort descending | Category | Preserve | Miles |
|---|---|---|---|---|---|
Volunteer Project | Sierra Azul Preserve - Trail Maintenance: Mt. Umunhum Trail (Pt. 5) | Thursday, May 14, 2026 9:30 a.m. | Sierra Azul Preserve | ||
Volunteer Project | El Corte de Madera Creek Preserve - Trail Maintenance: Sierra Morena Trail | Saturday, May 16, 2026 9:30 a.m. | El Corte de Madera Creek Preserve | ||
Volunteer Project | Rancho San Antonio Preserve - Trail Maintenance: Hammond-Snyder Trail | Tuesday, May 19, 2026 9:30 a.m. - 2:00 p.m. | Rancho San Antonio Preserve | ||
Volunteer Project | Bear Creek Redwoods Preserve - Fence Maintenance: Madrone Knoll Trail | Thursday, May 21, 2026 9:30 a.m. | Bear Creek Redwoods Preserve | ||
Volunteer Project | Bear Creek Redwoods Preserve - Fence Maintenance: Madrone Knoll Trail (Pt. 2) | Thursday, May 28, 2026 9:30 a.m. | Bear Creek Redwoods Preserve | ||
Volunteer Project | Rancho San Antonio Preserve - Trail Maintenance: Coyote Trail (Pt. 2) | Thursday, Jun 04, 2026 9:00 a.m. | Rancho San Antonio Preserve | ||
Volunteer Project | Long Ridge Preserve - Trail Maintenance: Achistaca Trail (Pt. 5) - National Trails Day | Saturday, Jun 06, 2026 9:00 a.m. | Long Ridge Preserve | ||
Volunteer Project | Bear Creek Redwoods Preserve - Trail Maintenance: Lower Pete Siemens Trail | Saturday, Jun 20, 2026 9:00 a.m. | Bear Creek Redwoods Preserve | ||
Volunteer Project | Rancho San Antonio Preserve - Trail Maintenance: Wildcat Loop Trail (South Leg) | Thursday, Jun 25, 2026 9:00 a.m. | Rancho San Antonio Preserve | ||
Volunteer Project | Skyline Ridge Preserve - Trail Maintenance: Horseshoe Loop Trail (Pt. 3) | Saturday, Jun 27, 2026 9:00 a.m. | Skyline Ridge Preserve |
