The best MTB trails in King County
4.8
(201)
2,934
riders
117
rides
Last updated: October 22, 2025
5.0
(3)
105
riders
1. East Tiger Mountain loop — Tiger Mountain State Forest
15.7km
01:47
520m
520m
Expert mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
58
riders
2. Raging River Loop – Raging River State Forest
31.2km
03:49
1,260m
1,260m
Expert mountain bike ride. Very good fitness required. Suitable for all skill levels.
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5.0
(2)
47
riders
3. Grand Ridge Trail — Issaquah
24.0km
02:26
560m
560m
Intermediate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(63)
28
riders
4. Soaring Eagle Park loop — Sammamish, Washington
8.42km
00:45
90m
90m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
8
riders
5. Olallie Trail (out-and-back) – Olallie State Park
32.8km
03:54
1,210m
1,210m
Expert mountain bike ride. Very good fitness required. Suitable for all skill levels.
1
riders
6. Bandwurm - Türme der Kraft Pfade
3.16km
00:16
20m
20m
Expert mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.8
(6)
197
riders
7. East Tiger Summit Trail – Off The Grid Trail loop from Four Lakes
17.2km
02:12
730m
730m
Expert mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
5.0
(1)
183
riders
8. East Tiger Summit Trail – Northwest Timber Trail loop from Four Lakes
28.6km
03:21
990m
990m
Expert mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.6
(14)
143
riders
9. Bootcamp Trail – Beginner Pumptrack loop from Tibbetts Station
11.2km
00:55
120m
120m
Intermediate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
4.8
(5)
149
riders
10. Off The Grid Trail loop from Four Lakes
15.2km
01:44
520m
520m
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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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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