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The best MTB trails in Whatcom County
4.6
(26)
1,697
riders
79
rides
Last updated: September 15, 2025
4.7
(3)
187
riders
Intermediate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(7)
36
riders
Expert mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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12
riders
3. Mullet & Meth Lab – Galbraith Mountain Intermediate Loop
7.47km
00:47
230m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
8
riders
4. Art's & Ursa Major – Galbraith Mountain Beginner Loop
5.87km
00:29
80m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
3
riders
5. Ridge & Double Down – Larrabee State Park Advanced Loop
17.2km
02:08
680m
Intermediate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.9
(8)
266
riders
6. Mullet – Atomic Dog Trail loop from South Bellingham
20.6km
02:05
530m
Intermediate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(1)
143
riders
7. Atomic Dog Trail – Meth Lab Trail loop from Larson Mill
38.3km
04:23
1,250m
Expert mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
88
riders
Intermediate mountain bike ride. Good fitness required. Advanced riding skills necessary.
83
riders
Intermediate mountain bike ride. Good fitness required. Suitable for all skill levels.
51
riders
10. Mullet – Meth Lab Trail loop from South Bellingham
17.8km
01:49
440m
Intermediate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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