FS 621
Boulder · Montana
5.2 mi
Distance
...
Net Elevation
56 min
Est. Time
Peak Elevation
...
Difficulty
Green Circle
5.2 mi
Distance
...
Net Elevation
56 min
Est. Time
...
Peak Elevation
Green Circle
Difficulty
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Weather outlook
CloudyNo significant precipitation expected.
Little rain is indicated. Shaded or poorly drained sections may still be wet.
The week looks mostly rideable, but windier periods could make exposed sections feel less comfortable.
Forecast window
Thursday
a high near 53°F, little expected rain, 0% rain chance
Weather-based estimate. Always check local closures and posted trail conditions before riding.
Forecast data via Open-Meteo. Forecast date: .
About This Trail
FS 621 is a 5.2-mile mountain bike trail near Boulder, Montana. RidePal marks it as a green circle trail. Surface: dirt. Listed stats: an estimated ride time of 56 min.
Mountain Biking in Boulder
Boulder is one of the mountain biking hubs in Montana, with mapped trail coverage on RidePal. Use FS 621 as a starting point to compare nearby routes by distance, difficulty, surface, elevation profile, and ride time.
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Trail Details
Surface
Dirt
Technical Rating
Green Circle
Trail Reviews
Community ratings and recent trail conditions
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Mountain Bike Trails Near Boulder
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FS 621 FAQ
Where is FS 621?
FS 621 is a mountain bike trail near Boulder, Montana. RidePal maps the route, trail stats, photos, reviews, and nearby rides for this area.
How difficult is FS 621?
FS 621 is 5.2 miles long, rated green circle, with a dirt surface, with an estimated ride time of 56 min. Check the map and recent conditions before riding.
What is the weather outlook for FS 621?
Weather forecast for 2026-11-10: No significant precipitation expected. Little rain is indicated. Shaded or poorly drained sections may still be wet. Weather-based estimate. Always check local closures and posted trail conditions before riding.
What other mountain bike trails are near FS 621?
Nearby RidePal trail pages in Boulder include FS 621G2, FS 621G1, FS 1835, WP 7126, WP 7126. Use the nearby trails section to compare distance, difficulty, and route style.
How can I update information for FS 621?
Use the RidePal contribution portal from this page to submit corrections, photos, reviews, or route updates for FS 621.
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