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 |
|---|---|---|---|---|---|
Guided Activity | Winter Trails from Lake to Pond | Tuesday, Jan 13, 2026 10:00 am |
| Skyline Ridge Preserve | 4.5 |
Guided Activity | Scenic Aerobic Hike | Wednesday, Jan 14, 2026 10:00 am |
| Long Ridge Preserve | 5 |
Guided Activity | Spores & More | Friday, Jan 16, 2026 10:00 am |
| El Corte de Madera Creek Preserve | 5.5 |
Guided Activity | History on Two Wheels | Saturday, Jan 17, 2026 9:15 am |
| Fremont Older Preserve | 10 |
Guided Activity | A Walk in the Garden | Saturday, Jan 17, 2026 1:00 pm |
| Windy Hill Preserve | 2.5 |
Guided Activity | Aerobic Views | Tuesday, Jan 20, 2026 8:45 am |
| Rancho San Antonio Preserve | 6 |
Guided Activity | Summiting in Search of Manzanitas | Friday, Jan 23, 2026 9:00 am |
| Sierra Azul Preserve | 8.5 |
Guided Activity | Fungal Fun | Saturday, Jan 24, 2026 9:00 am |
| Purisima Creek Redwoods Preserve | 7 |
Guided Activity | Wonders Abound | Sunday, Jan 25, 2026 9:25 am |
| Sierra Azul Preserve | 4 |
Guided Activity | Chaparral Adventure | Monday, Jan 26, 2026 9:30 am |
| St. Joseph's Hill Preserve | 4 |
Guided Activity | Banana Slugs, Wildflowers & More | Tuesday, Jan 27, 2026 10:00 am |
| El Corte de Madera Creek Preserve | 4 |
Guided Activity | Trail Trek Thursday | Thursday, Jan 29, 2026 9:00 am |
| Long Ridge Preserve | 7.5 |
Guided Activity | Wonders of Cherry Springs | Sunday, Feb 01, 2026 9:25 am |
| Sierra Azul Preserve | 2.5 |
Guided Activity | Wild Card Ramble at Rancho | Monday, Feb 02, 2026 9:00 am |
| Rancho San Antonio Preserve | 7 |
Guided Activity | Ecology in the Ecotones | Wednesday, Feb 04, 2026 10:00 am |
| Monte Bello Preserve | 3 |
