Fantastic hike through varied terrain including shaded green forest and volcanic rocks.
Location: Sibley Volcanic Regional Preserve — Huckleberry Botanic Regional Preserve
» Official Trail Map: Good quality map showing various trails. Also see Text section.
Route: From the Old Tunnel parking lot, follow Quarry Road → Volcanic Trail (0.8 miles) → Round Top Loop Trail → Bay Area Ridge Trail (BART) → Huckleberry Path → BART all the way back to parking lot near the trail head.
Notes:
Location: along Old Tunnel Road, Orinda, CA 94563 . No street address. Parking area is visible in Google Maps if you zoom in sufficiently.
Directions: From CA-24 East, take exit 7A towards Fish Ranch Road. Within 0.1 mile, mege onto Old Tunnel Road. In the Google map, you’ll notice a hair-pin bend in Old Tunnel Road. There’s a parking lot near the bend. Bay Area Ridge Trail (also called Skyline National Recreational Trail) goes through the hair-pin bend (see Trail Map for Sibley Volcanic Regional Preserve for details).
Google Maps:
Parking Fees: None (last visited: October 2010)
Capacity: About ten cars
Latitude: 37.856330 Longitude: -122.206877