Loma Alta Open Space
Glen Drive Fire Rd.
Fairfax, California 94930
Marin County Parks Open Space Leash Policy: Dogs on leash are welcome to enjoy trails. Dogs are allowed off-leash under strict voice control on fire protection roads. Please follow posted rules.
Rising to a height of 1592 feet, this “tall hill” is actually one of the highest points in Marin.
The ridge lines that run together to form Loma Alta divide the four major watersheds of the county: Miller Creek to the northeast, Corte Madera Creek to the southeast, Lagunitas Creek to the southwest, and Nicasio Creek to the northwest.
This 509 acre preserve encompasses most of the grass-covered south facing slopes of this broad, gently sloping hill.
Running along the lower perimeter of the preserve is the Old Railroad Grade Fire Road.
• East access: from Highway 101 in San Rafael, take the exit for Central San Rafael west. Follow 3rd St approximately 1 mile, continue on 2nd Street, which merges into 4th Street. 4th Street turns into Red Hill Ave after 0.6 mile; follow for 0.5 miles. Stay right onto Sir Francis Drake Boulevard and follow 3 miles, turn right onto Glen Drive and follow 0.5 miles to end (dead end).
• West access: from Highway 101 in Larkspur, take the exit for Sir Francis Drake Boulevard west 6 miles. Park in the big gravel pullout on the right side, below the crest of White Hill.
Help us keep this trail beautiful and dog-friendly:
• Always follow the posted rules as they may have changed
• If in off-leash area, keep your dog under voice command
• Respect and protect wildlife and habitats
• Pack in and pack out, leaving only paw prints