
Drives Montana Missoula, the Bitterroot and Western Montana
St. Regis-Paradise Byway: Highway 135
MT 135 · St. Regis → Paradise
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
- St. Regis (I-90)
- Paradise (Highway 200)
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
Free on iPhone and Android. CarPlay and Android Auto come with Apex.
More drives near here
Distance, time, elevation, curves and intensity are from Carve's route. Checked 2026-10-28.



