The best running trails in Cull Canyon Regional Recreation Area
3.9
(7)
433
runners
22
runs
Last updated: October 1, 2025
4
runners
1. Ten Hills Trail loop from Castro Valley
10.9km
01:13
160m
Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Intermediate run. Good fitness required. Mostly accessible paths. Some sure footedness required.
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8
runners
3. Ten Hills Trail loop from Mulford
12.7km
01:36
320m
Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
runners
4. Running loop from Castro Valley
7.92km
00:50
70m
Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
runners
5. Ten Hills Trail run — Alameda County
5.31km
00:40
70m
Intermediate run. Good fitness required. Mostly accessible paths. Some sure footedness required.
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