Old Saint Hilary's Preserve

This 122-acre Tiburon preserve offers world class views, among the best in Marin.

Rangers Recommend

  • The northern part of this 122-acre preserve is rolling grassland with rare serpentine soil. The southern section leads to the church.
  • Hike Heathcliff Fire Road to view a scenic panorama that includes the San Francisco skyline, the Golden Gate, Angel Island, Marin headlands, San Pablo Bay, San Francisco Bay, Richardson Bay, and more.
  • A babbling creek runs through the lush grasslands.
  • The historic white chapel, opened in 1888, and was designated as a historic landmark in 1955.
  • Travel through to adjoining Tiburon Uplands.
  • Dogs welcome and must be leashed on trail, and under voice command on fire roads, with leash readily available.

Naturalist Notes

  • Look for the rare Tiburon jewelflower. It grows mid-May to mid-June in shallow, rocky, serpentine soil along Vistazo Fire Road.
  • A wide variety of wildflowers blanket the hills in spring, especially in the area surrounding the church.
  • Stands of horsetail grow here. This resilient, primitive plant dates back to the time of dinosaurs.
  • American kestrels, red-tailed hawks, and northern harriers are ever present, hunting the hillsides.
  • Devoted community volunteers have pulled invasive plants here for years, saving the native flora. Lend a hand by joining a workday.
  • Check out the iNaturalist field guide. Add your own observations.

Activities

biking
Bike
dog on leash
Dogs On Leash
dog voice
Dogs Voice Control
hiking
Hike
horse
Horseback Riding

Know Before You Go

  • Stay on roads and trails to preserve sensitive ecosystems and to avoid trespassing on private property.
  • Do not pick or disturb wildflowers. Rare and sensitive species grow here.
  • Dress appropriately for the weather. Trails can be muddy during rainy season.
  • Bring water.
  • There are no restrooms at this location.
  • Steer clear of poison oak.
  • After an outing, check for ticks.