Tree Tunnel on Portola Road – Arastradero Lake loop from San Antonio

Routes

Mountain biking trails

Tree Tunnel on Portola Road – Arastradero Lake loop from San Antonio

Moderate

4.8

(4822)

17,458

riders

Tree Tunnel on Portola Road – Arastradero Lake loop from San Antonio

02:51

47.4km

480m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 27, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Wunderlich County Park

Waypoints

Start point

Train Station

Get Directions

3.55 km

Bol Park Path

Highlight (Segment) • Trail

Excellent paved north-south dedicated car-free bike trail between Palo Alto and Los Altos.

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17.8 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

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21.8 km

Woodside Store (Historic Site)

Highlight • Historical Site

Trails looping around and through the open air pioneer settlement museum. Even if inside displays should be closed it's interesting and some buildings have windows to peek through

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36.8 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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38.8 km

Arastradero Lake

Highlight • Lake

Arastradero Lake is nestled in the hills of the Enid Pearson-Arastradero Preserve. The lake is surrounded by oak trees and can get quite dry in the summer.

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