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St. Regis-Paradise Byway: Highway 135, Clark Fork, Montana
Photo: Scott Thompson · CC BY 3.0 · cropped

Drives Montana Missoula, the Bitterroot and Western Montana

St. Regis-Paradise Byway: Highway 135

MT 135 · St. Regis → Paradise

Leisurely21 mi25 min1,100 ft climbHigh point ≈ 2,700 ftOne way
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The drive

Montana Highway 135 is a 21.5-mile road along the Clark Fork River through Lolo National Forest. The drive runs east from I-90 at St. Regis, with a Montana Rail Link line running parallel. Shortly after the interstate the road meets the former US 10 at a four-way stop.

It heads north and northeast beside the river, crosses it near the midpoint, and passes under the railroad. The drive ends at Highway 200 a couple of miles east of Paradise, 21.1 miles and about 25 minutes from St. Regis. Highway 200 continues up the Clark Fork.

Along the way

  1. St. Regis (I-90)
  2. Paradise (Highway 200)
Elevation
1,100 ft of climbing · high point ≈ 2,700 ft
St. RegisParadise
Curves
Mostly gentle curves
St. RegisParadise
GentleHairpins

Good to know

  • Highway 135 isn't on Montana's seasonally closed list.

Open all year, weather permitting. Roads close for snow, fire, storms and repairs: before you set off, check Montana 511 Travel Information.

Questions about this drive

How long does Highway 135 from St. Regis to Paradise take?

St. Regis to Highway 200 on Highway 135 is 21.1 miles and takes about 25 minutes.

Where does Highway 135 start?

It starts at I-90 exit 33 at St. Regis and follows the Clark Fork River to Highway 200 near Paradise.

What you get in the app

Turn by turn, on this roadSpoken directions along the exact route. Carve never reroutes you onto a faster one.
Preview it in 3DFly the whole drive over satellite and terrain before you go.
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Live Group TrackingAPEXEveryone on the route, on the map, by name.
Road conditionsAPEXWet or dry, ice, fog and wind along the road before you go.
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Distance, time, elevation, curves and intensity are from Carve's route. Checked 2026-10-28.

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Map of St. Regis-Paradise Byway: Highway 135, from St. Regis to Paradise