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Trails  Printer Friendly View

San Mateo has the following trails for your enjoyment:

Mid-County Trails

Sweeney Ridge Trail | San Andreas Trail |
Sawyer Camp Trail | Ralston Trail |
Sheep Camp Trail | Bog Trail

Map of Mid-County Trails (PDF)

South County Trails

Edgewood Trail | Crystal Springs Trail South |
Cañada Trail | Skyline Trail |
Sand Hill Trail | Alpine Trail

Trails Rules & Regulations

Photograph of San Pedro Valley Park
Mid-County Trails

Sweeney Ridge Trail | Back to top
This trail extends from the end of Sneath Lane in San Bruno to the San Fancisco Bay Discovery Site. It is paved, steep, and winding, and covers about 1.2 miles. Beautiful views at the northern watershed and San Francisco Bay are enjoyed as you wind up this trail to the Discovery Site. At the Discovery Site the Pacific Ocean and the coast from Point Reyes to Pedro Point come into view. As you stand by the stone monument to Portola's discovery you are treated to a beautiful 360 degree panorama.

San Andreas Trail | Back to top
San Andreas trail extends from Cambridge Lane on the north to Hillcrest Blvd. on the south where it connects to the Sawyer Camp Trail. It is probably the second most popular trail in mid-county because a portion of it is paved and heavily used by bicyclists, joggers and hikers. It also has easy access to Skyline Boulevard. The southerly 0.7 mile is gravel-surfaced and not passable by bicycles, which have to detour to the frontage road east of I-280 to get to Sawyer Camp Trail. The trail passes close to San Andreas reservoir in its northerly section, and provides beautiful view points. It is hoped that some day it will connect to the Sweeney Ridge Trail and the San Francisco Bay Discovery Site.

Sawer Camp Trail | Back to top

Introduction. Sawyer Camp Trail extending from Hillcrest Blvd. on the north to Crystal Springs Road on the south, is probably the best known of the mid-county trails because of its history and its extremely heavy use by bicyclists, hikers, joggers, and equestrians. More people use it, and are aware of it, than all the other trails in the County Park System.

Early Users. For thousands of years, this area was home to the Shalshone Indians. They were considered to be an extremely warlike people, fighting with their neighbors to the north and south.

They seemed to have been friendly enough when, on November 4, 1769, Gaspar de Portola and his men camped north of here, after descending form Sweeney Ridge where they were reputed to be the first white men to view the San Francisco Bay. Portola's camp is now beneath the waters of San Andreas Lake; a sign at the trail entrance on Hillcrest Boulevard points to it.

In November of 1774, Captain Fernando Rivera, a principal officer of Portola's, and the first to lead a group to purposely explore the Peninsula, camped near one of the Shalshone villages. It was probably in the meadow near the Jepson Laurel. His chaplain and diarist, Father Francisco Palou, named the area San Andreas, honoring that saint's feast day.

Sawyer - The Man and The Road
It isn't really known from whom Leander Sawyer bought the land, but he became active in this area soon after the land was sold (1853). He probably lived in a small adobe built near a natural spring in the hill, just southwest of the Laurel. This was remembered by some very old timers of the area. No trace of it remains today.

The Sawyer Camp Trail was Sawyer's access to his camp (south of the Laurel tree) where -old timers say- he kept an inn to dispense food to picnickers, and to serve as a lodging place for horsemen traveling through, the area. Later, the trail was used by the stagecoach from Millbrae, which connected with the San Mateo Stageline to Half Moon Bay (Spanish Town).

During the 1850's and 60's, Sawyer grazed cattle in the area to keep down the brush and make a better area for incoming wagons.

Sawyer Camp Trail, later called San Andreas Valley Road, or just Valley Road, was once the main highway between San Francisco and Half Moon Bay. Wagons pulled by teams of horses hauled wood over the road. Much of the old road was flooded by the Crystal Springs Reservoir by 1888. When the city of San Francisco took over the watershed lands, narrow winding, Sawyer Camp Trail was then a county road. The Water Department fenced it for the protection of San Francisco's drinking water.

In 1978, the San Mateo County Board of Supervisors designated the road a non-vehicular recreation trail, and paved it for bicycles with funds provided by the State Department of Parks and Recreation. It also served many hikers, joggers, and equestrians, and is one of the most popular facilities operated by the San Mateo County Parks Department.

The Jepson Laurel
It is one of the most famous land marks along Sawyer Camp Trail, and it has been established to be over 600 years old. It is now the largest Laurel in California.

In 1923, this tree was named in honor of Willis Linn Jepson, one of California's most noted botanists. At that time, there was only one larger Laurel known in the State. It grew along the Russian River near Cloverdale, but was cut down "because it shaded too much hayfield."

This vulnerable tree was finally fenced to protect it from soil compacting, which could conceivably weaken its roots. The San Francisco Water Department, on whose property it is located, assumed the tree's preservation and protection.

In 1981, San Mateo County Parks, on permit from the Water Department, opened the area near the tree and constructed a picnic area. California Laurel (Umbellularia californica), also known as Bay Tree, Pepperwood, and Oregon Myrtle, has a wood which is heavy, hard, fine grained, and exceptionally strong.

SamTrans buses provide service to key destinations throughout San Mateo County and San Francisco, such as work, schools, malls, civic centers and parks. Please visit Samtrans website to find out how you can take one of their buses to this trail.

Ralston Trail | Back to top
This is a paved bicycle, hiking and jogging trail connecting the community of Belmont with the Crystal Springs Trail. It extends from Ralston Avenue interchange with Highway 92 over I-280, across Canada Road to the Crystal Springs Trail.

Sheep Camp Trail | Back to top
This trail connects upper Belmont/San Carlos and the area known as the Cross Country Running Course to Crystal Springs Trail. It extends from Hallmark Avenue in Belmont beneath I-280, across Canada Road to the Crystal Springs Trail.

South County Trails
Edgewood Trail | Back to top
This trail begins at the northeast corner of Edgewood County Park. As it leaves the park, it follows the south side of Edgewood Road below, and out of sight of the road, and connects to the Crystal Springs Trail near the stone gates into the Phleger Estate at Cañada Road. It provides access to the Crystal Springs Trail from the Redwood City, San Carlos, and Emerald Lakes communities.

Crystal Springs Trail South | Back to top
This trail presently starts at Highway #92, on the north, running along the westerly right-of-way of Cañada Road. For the most part it is removed from the traveled way, with beautiful views of Upper Crystal Springs Lake. At the south boundary of the San Francisco Watershed, it turns westerly towards Huddart Park to Raymundo Drive. It follows Raymundo until it reaches the access into the park. Passing through Huddart Park, it connects to the skyline trail. It is available to hikers, joggers, and equestrians, and affords beautiful vistas of the San Francisco Watershed and the San Andreas Fault Zone.

Cañada Trail | Back to top
The Cañada Trail intersects the Crystal Springs Trail about one-half mile south, near I-280 overpass across Cañada Road. It then follows the westerly side of Cañada Road into the Town of Woodside, where it connects to Woodside Town trails at woodside Road.

Skyline Trail | Back to top
The Skyline Trail originates at the northwesterly corner of Huddart County Park, and connects to private trails running northerly along Skyline Boulevard. The public portion runs easterly of Skyline Boulevard, through Huddart Park, to Kings Mountain Road. There, it crosses Kings Mountain Road and passes into the California Water Service Watershed. Here, it follows the northerly boundary of the watershed through a fenced easement, turning southerly and paralleling Skyline Boulevard on the easterly side, for about 4.5 miles. After leaving this easement through the watershed, it passes through Wunderlich County Park, then out to Skyline Boulevard near Skylonda, and its intersection with La Honda Road. As it passes through Wunderlich, there's an opportunity to connect with the Bear Gulch, Alambique, and Woodside Town Trails.

Sand Hill Trail | Back to top
The Sand Hill Trail connects with Woodside Town trails. Beginning at Whiskey Hill Road, it turns through Stanford University property along the southerly side of Sand Hill Road following a pleasant, gentle alignment through trees, to its intersection with Portola Road. From there, there is a series of informal trails along Portola Road, maintained by the Town of Portila Valley.

Alpine Trail | Back to top
This is a paved trail, beginning at the Santa Cruz Avenue/Alpine Road/Junipero Serra Boulevard intersection in Menlo Park. It skirts the Stanford Golf Course, and curves into the old road fronting a small settlement, formerly known as Stanford Weekend Acres. Opposite the Linear Accelerator, the trail leaves the road and crosses a bridge over San Francisquito Creek, on the old road alignment. The trail comes back to Alpine Road near Webb Ranch fruit and vegetable stand. It then goes under Freeway 280, and dips down towards the creek, where it goes through an underpass for the on-ramp of Southbound Freeway 280. It passes through the Ladera Community on the southeasterly side of Alpine Road. After passing the Swim and Tennis Club, it enters the Town of Portola Valley and becomes the Dwight F. Crowder Memorial Bicycle Path, maintained by Portola Valley, and runs along Alpine Road to its intersection with Portola Road.


Trail Rules & General Description| Back to top

  1. Check with Park Rangers for current information on trail conditions, and to obtain more detailed, up-to-date maps of the specific parks.
  2. On those trails with considerable horse rider usage, runners and hikers should observe a basic rule of conflicting usage. The horses have the right-of-way! Foot Traffic should always stop and stand quietly off the trail until the horse passes. Failure to observe this rule can endanger not only the hiker and runner, but also the horse rider.
  3. Pets are not allowed in any County Park/Trail.
  4. Observe any trail closure signs.
  5. The trails on this site are: a) trails which are safe. Most trails have been recently rebuilt to a standard 4' width and maximum 10% grade; b) trails which are scenic. The variety ranges from redwood forest, to chaparral, to grassy ridges; c) trails of varied distance.
  6. Always respect the plant and animal life found in these unique communities.