Boronda Lake – Portola Road loop from Monte Bello Open Space Preserve

Bike touring routes & trails

Boronda Lake – Portola Road loop from Monte Bello Open Space Preserve

Hard

5.0

(9960)

11,615

riders

Boronda Lake – Portola Road loop from Monte Bello Open Space Preserve

04:38

63.8km

1,440m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: August 27, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Long Ridge Open Space Preserve

Skyline Ridge Open Space Preserve

Monte Bello Open Space Preserve

Coal Creek Open Space Preserve

Los Trancos Open Space Preserve

Waypoints

Start point

Parking

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15.3 km

Boronda Lake

Highlight • Lake

Part of the 1,400-acre Foothills Nature Preserve, where animals like to see deer and coyotes are common, though bobcat sighting are more rare.

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22.9 km

Rossotti's Alpine Inn

Highlight • Pub

This fantastic tavern, founded in 1852, is the second oldest in the state. It features a large, beer garden-style outdoor area with plenty of shade. An extensive beer and food …

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27.1 km

Portola Road

Highlight (Segment) • Cycleway

This is a beautiful stretch of road going through Portola Valley. It's a great place for a shaded ride on a winding stretch of road.

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29.3 km

Old La Honda Road

Highlight (Segment) • Climb

3 miles of great winding mountain road. It ascends from the Palo Alto side up to the Skyline road. Quite narrow in places and fairly steep, but only light car use means this is a fun road climb.

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35.7 km

Old La Honda Road

Highlight (Segment) • Cycleway

Old La Honda Road is a paved road with a steady incline. There has been a recent uptick in car traffic along this road, so be cautious. This road has …

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47.2 km

Alpine Road through Redwood Forest

Highlight (Segment) • Cycleway

Beautiful ride through an old-growth redwood forest and a stream.

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56.7 km

Russian Ridge Open Space Preserve

Highlight • Viewpoint

Russian Ridge is an incredible 3,137-acre preserve that boasts a rich diversity of plants and wildlife, steep forested canyons, and grasslands, with abundant wildflowers in the spring. The open ridge …

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56.7 km