1.9 mi
Distance
430 ft
Elev. Gain
Loop
Route Type
Easy
Difficulty
About This Trail
Fairfield Osborn Preserve South Loop is a loop trail in Sonoma County, California. It is 1.9 miles long and gains 430 feet. The nearest town is Glen Ellen, California, about 2 miles away in a straight line.
From the trail data on this page. For conditions and closures, see official sources.
Trail Conditions
Trail Conditions
We have no current condition data for this trail. Check with the operator before you go, and submit a report below if you've been recently.
Reservation required: Sonoma State University Center for Environmental Inquiry preserve, open to the public by reservation/guided hike only.
No recent condition reports. Be the first to share what you see on the trail.
Elevation Profile
| Point | Distance from start | Elevation |
|---|---|---|
| Start | 0.0 mi | 521 ft |
| End | 1.9 mi | 521 ft |
Trail Details
- Route Type
- Loop
Permit required
Apply through the issuing agency. Many systems run seasonal lotteries or fixed application windows — confirm current dates on the agency page.
Sonoma State preserve; open to the public by reservation or guided tour only.
Official sources & verification
Reserve or permit
- Apply for permit
Required permit application for this trail. Many systems run seasonal lotteries or fixed application windows — confirm current dates here.
Where it is
- Nearest town:
- Glen Ellen, CA · about 2 mi away
- County:
- Sonoma County, CA
Nearest town and county from U.S. Census Bureau place records and county boundaries.
Reviews
No reviews yet
Be the first to share your experience and help others plan their visit.
Legacy import — verify before navigating
Path geometry came from our pre-launch legacy database. Routes have not yet been re-verified against the operator and may differ from the actual trail.
Stay nearby
Campgrounds near this trail
Sugarloaf Ridge State Park (operated by the Sonoma Ecology Center)
7.7 mi awaySugarloaf Ridge State Park
Kenwood, CA
Reservable
Bothe-Napa Valley State Park
14.9 mi awayBothe-Napa Valley State Park
St. Helena, CA
Reservable
Glamp David Napa California
16.3 mi awayNapa, CA
Pricing varies — check with the operatorReservable
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