MacDonald Trail Viewpoint – Lake Chabot Marina loop from Castro Valley
MacDonald Trail Viewpoint – Lake Chabot Marina loop from Castro Valley
4.7
(1716)
19,516
riders
03:07
34.9km
700m
Mountain biking
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.
Last updated: March 20, 2026
Tips
Includes segments that go up or down a series of steps
You may need to carry your bike.
After 4 m for 10 m
After 34.9 km for 10 m
Waypoints
Start point
Train Station
Get Directions
15.0 km
Highlight • Viewpoint
Tip by
20.8 km
Highlight • Rest Area
Tip by
22.1 km
Highlight (Segment) • Trail
Tip by
27.5 km
Chabot Spillway
Lake
27.9 km
Highlight (Segment) • Trail
Tip by
30.1 km
Highlight • Rest Area
Tip by
34.9 km
End point
Train Station
Way Types & Surfaces
Way Types
13.9 km
8.79 km
8.25 km
2.21 km
1.21 km
537 m
Surfaces
13.1 km
11.4 km
9.79 km
374 m
216 m
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Elevation
Highest point (360 m)
Lowest point (50 m)
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Weather
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Today
Tuesday 19 May
27°C
13°C
0 %
Additional weather tips
Max wind speed: 24.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.