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

04:39

63.9km

1,440m

Cycling

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

Last updated: August 27, 2026

Tips

Includes a short out-and-back section

Your route doubles back at a waypoint. If this isn’t intentional, adjust the waypoint’s position.

After 56.8 km for 12 m

Waypoints

Start point

Parking

Get Directions

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.

Tip by

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 …

Tip by

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.

Tip by

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.

Tip by

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 …

Tip by

47.2 km

Alpine Road through Redwood Forest

Highlight (Segment) • Cycleway

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

Tip by

56.8 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 …

Tip by

56.8 km