The best gravel rides in Thornewood Open Space Preserve
4.5
(3)
58
riders
12
rides
Last updated: October 2, 2025
3
riders
1. Old La Honda Road – Portola Road loop from Portola Valley
13.9km
01:26
440m
440m
Intermediate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(2)
11
riders
2. Portola Valley – Junipero Serra Boulevard loop from Portola Valley
32.1km
02:25
430m
420m
Intermediate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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7
riders
3. Portola Valley – Old La Honda Road loop from Portola Valley
49.0km
04:21
1,190m
1,190m
Expert gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
4
riders
4. Purisima Creek Trailhead – Borden Hatch Mill 🚵 Trail loop from Woodside
20.9km
02:18
630m
630m
Expert gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
5. Skeggs Point – Blue Blossom Trail loop from Woodside
17.9km
02:01
500m
500m
Expert gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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