San Pedro Mountain to Old Colma Road Loop
San Pedro Mountain to Old Colma Road Loop
4.6
(1240)
11,388
riders
01:11
11.1km
290m
Mountain biking
The San Pedro Mountain to Old Colma Road Loop is an easy 6.9 miles (11.1 km) mountain biking route in McNee Ranch State Park. You will gain 940 feet (287 metres) in elevation over an estimated 1 hour and 10 minutes. This popular trail offers a diverse experience for mountain…
Last updated: March 7, 2026
Waypoints
Start point
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3.44 km
Highlight • Viewpoint
Tip by
4.28 km
Highlight • Trail
Tip by
11.1 km
End point
Way Types & Surfaces
Way Types
5.35 km
4.97 km
744 m
< 100 m
Surfaces
6.12 km
4.90 km
110 m
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Elevation
Highest point (300 m)
Lowest point (50 m)
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Wednesday 6 May
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This route was planned by komoot.
While komoot rates this trail as 'easy' for mountain biking, other sources describe it as 'intermediate' or 'moderate'. The route features gradual climbs but also some steep sections, particularly near the top of the ridge, which might require more advanced riding skills or even pushing your bike. It's best suited for riders with some experience, but determined beginners could manage it.
The terrain is quite varied. You'll encounter sections that are partially paved but mostly broken, along with gravel roads and singletrack. Some areas can be washed-out or narrowed, and parts of the trail may be brushy. Be prepared for potential mud, especially after rain.
This loop offers spectacular coastal views. You'll be treated to panoramic vistas of the Pacific Ocean, the Farallon Islands, and the exterior of Pacifica. The route also provides views of Montara Mountain, Sweeney Ridge, and the expansive valleys of San Pedro Creek. Don't miss the Pacific to SF Bay Panorama highlight for an exceptional viewpoint.
Yes, the trail follows the historic Old Colma Road, which was originally constructed in 1879. It was the first road commissioned by San Mateo County to traverse San Pedro Mountain, designed for horse wagons and bicycles, making it a route with significant local history.
Yes, dogs are allowed on this trail, but they must be kept on a leash at all times.
The trail is accessible year-round. However, for the most pleasant experience and clearer views, consider riding during the drier months. Be aware that mud can be present on the trail, especially after rainfall.
Specific parking details are not provided in the available data, but as the trail is located within McNee Ranch State Park, look for designated parking areas near the park's entrances or trailheads. It's advisable to check the park's official website for the most current parking information.
The San Pedro Mountain to Old Colma Road Loop is located within McNee Ranch State Park. While specific entrance fees for the park are not detailed here, state parks in California often have day-use fees or require a California State Parks Pass. It's recommended to check the official California State Parks website for McNee Ranch State Park for current fee and permit requirements before your visit.
Yes, the route incorporates sections of several other trails. You'll ride along parts of Old San Pedro Mountain Road, the Historic "Old Colma Rd" (1879-1915) AKA Devil's Slide, Two Pines, and the Gray Whale Cove Trail.
The loop takes you through a diverse natural landscape, including a small Eucalyptus forest, open grassland, and Coastal Chaparral. This variety contributes to the scenic beauty and ecological interest of the ride.