Thornewood Open Space Preserve (Closed Area)
Thornewood Open Space Preserve (Closed Area)
The best road cycling routes in Thornewood Open Space Preserve (Closed Area)
4.8
(34)
2,373
riders
47
rides
Last updated: October 7, 2025
5.0
(1)
156
riders
Intermediate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(4)
32
riders
2. Manzanita Way – Tree Tunnel on Portola Road loop from Portola Valley
23.4km
01:06
200m
200m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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6
riders
3. Alpine Road loop from Portola Valley
11.3km
00:35
170m
170m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
12
riders
4. Alpine Road loop from Westridge
16.7km
01:01
410m
410m
Intermediate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(3)
177
riders
5. Portola Valley – Dwight Crowder Path loop from Portola Valley
19.8km
00:56
250m
250m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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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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