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 | Habitat Restoration: Stinkwort and Yellow Star Thistle Removal | Saturday, Aug 02, 2025 9:00 a.m. | Sierra Azul Preserve | ||
Guided Activity | Sentinel in the Sky | Sunday, Aug 10, 2025 1:00 pm |
| Sierra Azul Preserve | 0.25 |
Volunteer Project | Habitat Restoration: Yellow Star and Malta Thistle Removal | Thursday, Aug 14, 2025 9:00 a.m. | Sierra Azul Preserve | ||
Volunteer Project | Trail Maintenance: Fir Knoll Trail (Back for more!) | Thursday, Aug 21, 2025 9:00 a.m. | Skyline Ridge Preserve | ||
Volunteer Project | Skyline Ridge Tree Farm Restoration: Yellow Star Thistle Removal | Saturday, Aug 23, 2025 9:00 a.m. | Skyline Ridge Preserve | ||
Guided Activity | Biodiversity Week: Hands-On at Horseshoe Lake | Saturday, Sep 06, 2025 9:00 am |
| Skyline Ridge Preserve | 3 |
Guided Activity | Late Afternoon Ridge Hike | Monday, Sep 08, 2025 3:30 pm |
| Skyline Ridge Preserve | 4 |
Guided Activity | Sentinel in the Sky | Sunday, Sep 14, 2025 1:00 pm |
| Sierra Azul Preserve | 0.25 |
Guided Activity | Oak Academy | Saturday, Oct 11, 2025 9:00 am |
| Skyline Ridge Preserve | 4 |
Guided Activity | Wonders of Cherry Springs | Sunday, Oct 12, 2025 9:45 am |
| Sierra Azul Preserve | 2.5 |
Guided Activity | Wildland Knowledge of Native Peoples | Monday, Oct 13, 2025 9:30 am |
| Skyline Ridge Preserve | 4 |
Guided Activity | Sentinel in the Sky | Sunday, Oct 19, 2025 1:00 pm |
| Sierra Azul Preserve | 0.25 |
Guided Activity | Scenic Amble Between Lake and Pond | Friday, Oct 24, 2025 10:00 am |
| Skyline Ridge Preserve | 4.5 |
Guided Activity | Oak Academy | Friday, Nov 07, 2025 9:00 am |
| Sierra Azul Preserve | 3.5 |
Guided Activity | Sentinel in the Sky: Veteran's Day | Sunday, Nov 09, 2025 1:00 pm |
| Sierra Azul Preserve | 0.25 |
