Fs 421
4.4 mile off-road trail near Four Corners, Montana
Biking Mountain biking ATV / UTV Dirt bikes
Today at the trail
Trail facts
- Length
- 4.4 miles
- Open to
- Biking, ATV / UTV, Dirt bikes
- Surface
- Dirt
- Difficulty
- Hard
- Dogs
- Not known yet
- Start point
- 45.42713, -111.12666
- County
- Gallatin County, Montana
Can I bring my dog?
We don't have dog rules for this trail yet. Check signs at the trailhead or the land manager's website.
Reviews and photos
No reviews yet. Been here? Tell other visitors how it was and whether dogs are allowed.
Camping nearby
- Spire Rock Campground 4.0 mi away · Directions · Reserve
- Garnet Mountain Fire Lookout 3.9 mi away · Directions · Reserve
- Little Bear Cabin 4.9 mi away · Directions · Reserve
Federal campgrounds from Recreation.gov. Check dates and fees before you go.
Nearby trails
- TELEPHONE RIDGE 4.3 mi long
- TIMBER BUTTE LOOP (SNOWMO) 8.6 mi long
- Telephone Ridge Road 1.0 mi long
- ORCHID GULCH 3.2 mi long
- GARNET MTN (SNOWMO) 4.9 mi long
- MICA CREEK (SNOWMO) 5.3 mi long
More trails
Common questions
- How long is Fs 421?
- Fs 421 is about 4.4 miles long based on mapped trail data. That is the length of the mapped trail, not always a round trip.
- Are dogs allowed on Fs 421?
- We don't have dog rules for this trail yet. Check signs at the trailhead or the land manager's website.
- What can you do on Fs 421?
- Fs 421 is open to biking, ATV / UTV and dirt bikes, according to OpenStreetMap contributors.
- Where does Fs 421 start?
- One end of the mapped trail is at 45.42713, -111.12666. Use the Directions button to get there.
Source: OpenStreetMap contributors (view or fix on OpenStreetMap). Length and route come from mapped data and may differ from signs on the ground. Always check for closures before you go.