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Routes
Bike touring routes & trails
United States
California
San Mateo County
Portola Valley

Old La Honda Road – Tree Tunnel on Portola Road loop from Los Trancos Woods

Routes
Bike touring routes & trails
United States
California
San Mateo County
Portola Valley

Old La Honda Road – Tree Tunnel on Portola Road loop from Los Trancos Woods

Hard

3.1

(14)

97

riders

Old La Honda Road – Tree Tunnel on Portola Road loop from Los Trancos Woods

02:13

31.6km

640m

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: July 7, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Windy Hill Open Space Preserve

Waypoints

A

Start point

Parking

Get Directions

1

122 m

Alpine Road

Highlight (Segment) • Cycleway

The Northern part of Alpine Road is a paved and curvy descent through wooded areas and runs parallel to Coal Mine Ridge Preserve, eventually connecting with the trailhead there.

Tip by

2

5.90 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

3

8.13 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

4

15.8 km

Great place for a break in a beautiful, peaceful spot among the redwoods. The restaurant is popular with locals, motorcyclists, hikers, and cyclists, and is the perfect place for a cold drink after finishing the climb up.

Tip by

5

15.9 km

Mountain Pass

Highlight • Mountain Pass

This is where La Ronda Road meets Skyline Boulevard. After the climb, it’s the perfect place to recharge and grab something to eat at one of the nearby restaurants or grocery stores. Alise's Restaurant is a popular one.

Tip by

6

21.8 km

Tree Tunnel on Portola Road

Highlight (Segment) • Natural

I road though here after coming down La Honda road, thought it was a really pretty part of the road and it covered l connects back to Sand Hill road

Tip by

B

31.6 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

15.9 km

9.27 km

6.45 km

Surfaces

31.6 km

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (530 m)

Lowest point (100 m)

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Weather

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Thursday 9 July

26°C

14°C

-- %

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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