Estimated Travel Time: 5 hours 39 minutes
Estimated Distance: 333 miles
- Turn left at MT-200 (go 25 miles)
- Merge onto I-90 E via the ramp to Butte
- Head southeast on I-90 E (go 141 miles)
- Take exit 256 toward MT-359/Cardwell/Boulder
- Turn right at MT-2/MT-359/MT-69 continue to follow MT-359 (go 14 miles)
- Turn right at US-287 (go 28 miles)
- Continue on US-287/W US-287 N (go 53 miles)
- Head southeast on Hebgen Lake Rd/US-287 toward Old Highway 287 (go 9 miles)
- Turn right at Gallatin Rd/US-191/US-287 (go 8 miles)
- Turn left at US-191/US-287/Yellowstone Ave (go 47 miles)
- Continue to follow US-191/US-287 This road may be seasonal
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