This 209.5-mile journey from Bozeman, MT, to Three Forks, MT, is a manageable one-day trip, taking approximately 4 hours and 18 minutes to complete. You'll navigate a mix of roads, including the First Special Service Force Memorial Highway, Highway 287, and I-90 Business, with about 46% of your drive on highways. The estimated fuel cost for this route is around $33. Given its relatively short duration and the single recommended stop, it's a straightforward drive within the Mountain West region, perfect for a day exploration without needing an overnight stay.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
104.8 miles from Bozeman, MT
A natural place for your longest stop of the day
, about 1h 56m into the drive
.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 4h 18m. Total distance: 209.5 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
The drive offers a mixed experience, balancing highway speeds with more local road segments. With 46% of the route on highways, you'll encounter stretches conducive to steady progress. The longest uninterrupted stretch is 86 miles along the First Special Service Force Memorial Highway, providing a significant period of consistent driving. As you transition between these road types, you'll experience a dynamic feel to the journey, moving from potentially faster-paced sections to those with more local character. This variety ensures the drive remains engaging.
Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 17 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
First Special Service Force Memorial Highway is the longest continuous segment at about 86 miles.
How Hard Is This Drive?
This route mixes highway mileage with some local-road sections near the start or finish. There are only a few real navigation decisions along the way. The trickiest moment comes around 0.4 miles in near West Peach Street.
Driving Effort3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 4h 18m drive. You will face about 10 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 0.4 miles (West Peach Street): Navigation decision point; at 33.4 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 33.7 miles (US 287 / Highway 287): Lane positioning matters here.
Critical Maneuvers
5 of 10 key points
These are the spots where you need to pay the most attention. Preview them before you drive.
4
0.4 mi into trip|~1m in|West Peach Street
Turn left onto West Peach Street
Navigation decision point
5
33.4 mi into trip|~35m in
Take the exit toward US 287: Helena, Ennis
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward US 287: Helena, Ennis
5
33.7 mi into trip|~36m in|US 287 / Highway 287
Turn right onto US 287 / Highway 287
Lane positioning matters here
Use the straight / right lanes.
5
96.3 mi into trip|~1h 47m in|I 15; US 287 / First Special Service Force Memorial Highway
Merge onto I 15; US 287 / First Special Service Force Memorial Highway
Merge point - match speed before joining. Lane positioning matters here
Use the slight right lane.
5
182.3 mi into trip|~3h 10m in|I 15 BUS
Take the exit onto I 15 BUS toward I 15 Business, US 89 South, MT 200 East
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward I 15 Business, US 89 South, MT 200 East
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Bozeman, MT to Three Forks, MT, road signs begin pointing toward Ennis along the way.
Ennis
33.4 mi in|~35m
Main Roads
Road
Distance
Duration
First Special Service Force Memorial Highway
86 mi
1h 22m
Highway 287
62.2 mi
1h 10m
I 90 Business
31.8 mi
32m
Stockett Road
9.5 mi
23m
Cottonwood Coulee Road
8.3 mi
31m
10th Avenue South
6.5 mi
8m
Country Club Boulevard
1.4 mi
1m
US 87
1.2 mi
1m
Longest stretch:
First Special Service Force Memorial Highway
— 86 mi, about 1h 22m
Turn-by-Turn Driving Directions
Step-by-step road directions between Bozeman, MT and Three Forks, MT.
1
Start on North Willson Avenue
0.4 mi·1 min·North Willson Avenue
2
Turn left onto West Peach Street
0.4 mi·42 sec·West Peach Street
3
Turn right onto I 90 Business
0.9 mi·1 min·North 7th Avenue
4
Turn left onto I 90 Business
32 mi·32 min·I 90 Business
5
Take the exit
0.3 mi·37 sec
Toward US 287: Helena, Ennis
6
Turn right onto US 287
62 mi·1 hr 10 min·Highway 287
Use the straight / right lanes.
7
Take the exit onto US 287
0.4 mi·47 sec·US 287
Toward I 15 North: Great Falls
8
Merge onto I 15; US 287
86 mi·1 hr 22 min·First Special Service Force Memorial Highway
Use the slight right lane.
9
Take the exit onto I 15 BUS
0.4 mi·49 sec·I 15 BUS
Toward I 15 Business, US 89 South, MT 200 East
10
Continue on I 15 Bus; US 89; MT 3; MT 200; I 315
1.4 mi·1 min·Country Club Boulevard
11
Continue on I 15 Business; US 89; MT 3; MT 200
6.5 mi·8 min·10th Avenue South
12
Continue on US 87; US 89; MT 3; MT 200
1.2 mi·1 min·US 87; US 89; MT 3; MT 200
13
Turn right onto MT 227
9.5 mi·23 min·Stockett Road
14
Turn left onto Cottonwood Coulee Road
4.1 mi·15 min·Cottonwood Coulee Road
15
Continue on Cottonwood Coulee Road
1.8 mi·6 min·Cottonwood Coulee Road
16
Continue on Cottonwood Coulee Road
2.4 mi·9 min·Cottonwood Coulee Road
17
Arrive at destination
Cottonwood Coulee Road
Trip Plan
To make the most of this 4-hour, 18-minute drive, consider an early morning departure from Bozeman to maximize your time in Three Forks. With only one recommended stop, you have plenty of flexibility to pace yourself. Keep an eye on your fuel gauge, as the longest stretch without a town is 86 miles on the First Special Service Force Memorial Highway, so plan your refueling accordingly. This route is well-suited for a single-day excursion, allowing for spontaneity in your schedule.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 104.8 miles from Bozeman, MT, or about 1h 56m into the drive.
The longest continuous stretch on this route runs about 86 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 46 miles or 50m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 104.8 miles or 1h 56m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h
Traffic, exits, and arrival timing usually matter more near Three Forks, MT than in the middle of the route.
Before You Leave
+
Open the route before leaving Bozeman, MT so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Bozeman, MT
This is one driving day of about 209.5 miles and 4h 18m.
Your first comfortable stop window is around 46 miles from Bozeman, MT.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on First Special Service Force Memorial Highway for about 86 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 104.8 mi from Bozeman, MT
· 1h 56m into the drive
Place data sourced from public business listings. Hours and availability may vary.
Fuel & Cost
Regular Gas
$33.20 one way
$66.40 round trip
$4.03/gal25.4 MPG avg73 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.22
$34.80
$69.60
premium
$4.53
$37.37
$74.74
diesel
$5.61
$46.25
$92.51
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$33
Meals
$25–$50
Total
$58–$83
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 73.3 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $22 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
62.8
0
$22.00
$10.06
Efficient EV
52.4
0
$18.33
$8.38
EV Truck/SUV
83.8
1
$29.33
$13.41
Gas CO2
73 kg
EV CO2
25 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 15, 2026
Origin
Bozeman, MT
Late night
in Bozeman on Saturday
Local time
5:55 AM
MDT
Current temp
64°F
Unavailable
Live forecast
Destination
Three Forks, MT
Late night
in Three Forks on Saturday
Local time
5:55 AM
MDT
Current temp
47°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
17 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
4h 18m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Bozeman, MT to Three Forks, MT covers 209.5 miles and takes about 4h 18m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are First Special Service Force Memorial Highway, Highway 287, I 90 Business. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 104.8 miles from Bozeman, MT. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $33.20 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a straightforward 4h 18m drive. You will face about 10 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: at 0.4 miles (West Peach Street): Navigation decision point; at 33.4 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 33.7 miles (US 287 / Highway 287): Lane positioning matters here.
On the drive from Bozeman, MT to Three Forks, MT, road signs begin pointing toward Ennis along the way.
