The best MTB trails around Isesjøen
39
riders
11
rides
Last updated: October 21, 2025
5
riders
1. Tvetervann loop from Borgenhaugen
23.1km
02:07
250m
250m
Expert mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
10
riders
2. Tulletjernet – Sandvika Badeplass loop from Høysand
22.9km
01:49
310m
310m
Intermediate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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18
riders
3. Amundsen's Birthplace – Drawbridge Over the Moat loop from Sarpsborg
38.7km
02:22
250m
250m
Intermediate mountain bike ride. Good fitness required. Suitable for all skill levels.
3
riders
4. Mountain Bike Trail Segment – Duck and Swan Pond loop from Sarpsborg
38.6km
02:32
320m
320m
Intermediate mountain bike ride. Good fitness required. Advanced riding skills necessary.
3
riders
5. Store Grinerødtjern – Nordre Morttjern loop from Sarpsborg
42.3km
02:46
350m
350m
Intermediate mountain bike ride. Good fitness required. Suitable for all skill levels.
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