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Crystal Springs Reservoir dam – Tree Tunnel on Portola Road loop from Menlo Park

Crystal Springs Reservoir dam – Tree Tunnel on Portola Road loop from Menlo Park

Moderate

4.6

(9396)

9,397

riders

Crystal Springs Reservoir dam – Tree Tunnel on Portola Road loop from Menlo Park

03:54

87.6km

840m

Road cycling

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: April 30, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Wunderlich County Park

Waypoints

Start point

Train Station

Get Directions

19.1 km

View of Crystal Springs Reservoir from Cañada Road

Highlight (Segment) • Viewpoint

Bike Sunday - no motorized vehicles on Sundays, we've got the whole road for ourselves.

Tip by

24.1 km

Crystal Springs Reservoir dam

Highlight (Segment) • Monument

The dam separating upper and lower Crystal Springs Reservoir also serves as a crossing for Hwy 35/92

Tip by

42.9 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

62.7 km

Altamont Road Vineyard

Highlight (Segment) • Structure

Winding through a quiet residential area with minimal traffic, Altamont Road is perfect for a laid-back ride or linking up with tougher routes nearby. The gentle climbs make it super …

Tip by

76.2 km

Palo Alto-Los Altos Bike Path

Highlight (Segment) • Cycleway

The Palo Alto-Los Altos Bike and Pedestrian Path, also known as the Hetch Hetchy Trail, is a well-maintained multi-use route that connects Los Altos Avenue to Arastradero Road. It’s popular …

Tip by

87.6 km

End point

Train Station

Way Types & Surfaces

Way Types

53.7 km

17.0 km

12.1 km

4.74 km

105 m

< 100 m

Surfaces

84.4 km

3.03 km

139 m

< 100 m

Elevation

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

Highest point (230 m)

Lowest point (10 m)

Weather

Saturday 23 May

24°C

12°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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Crystal Springs Reservoir dam – Tree Tunnel on Portola Road loop from Menlo Park

View of Crystal Springs Reservoir from Cañada Road

Crystal Springs Reservoir dam

Tree Tunnel on Portola Road

Altamont Road Vineyard

Palo Alto-Los Altos Bike Path

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