Bearmouth Rest Area Westbound – I-90

I-90 westbound travelers near Drummond in Granite County, Montana, can pull in at Bearmouth Rest Area. Reported truck parking: 21 spaces. The next westbound stop is Rock Creek Rest Area, about 16 miles further along I-90.

I-90MontanaWestbound
Current operating status not verified — Location data comes from an inventory record. Confirm with the responsible transportation agency before travel.

Location map

Marker shows recorded coordinates, not an entrance or approved driving route. Follow highway signs.

Open directions

Previous and next stop (Westbound)

Previous: Gold Creek Rest Area ≈ 24 mi along I-90Next: Rock Creek Rest Area ≈ 16 mi along I-90

Order and distance from the official mile markers on I-90.

Reported parking capacity

Truck parking21Reported spaces

Reported capacity from the 2019 federal truck parking survey (FHWA Jason's Law). This is not real-time vacancy information.

Facilities and amenities

✓ Restrooms✓ Accessible facilities✓ Drinking water✓ Picnic tables

Unknown (not documented in the sources): Family restroom, Pet area, Vending machines, Public phone, RV dump station, EV charging, Wi-Fi, Playground.

A reported facility does not guarantee current availability.

About this rest area

Bearmouth Rest Area is a stop for westbound travelers on I-90 near Drummond in Montana. Its current operating status has not been verified. Conditions can change, so confirm with the Montana Department of Transportation before you rely on this stop.

Location and driving direction

You reach it from the westbound lanes of I-90, near Drummond in Granite County. It is listed near mile marker 143.

Do not confuse it with the separate eastbound facility, Bearmouth Rest Area, on the other side of the highway.

Further along I-90, Rock Creek Rest Area follows after roughly 16 miles.

Parking and amenities

The 2019 federal truck parking survey (FHWA Jason's Law) lists 21 truck parking spaces.

According to the available records, you will find:

  • Restrooms
  • Accessible facilities
  • Drinking water
  • Picnic tables

Space counts describe reported capacity, not live parking availability. Availability of individual amenities can change.

Opening hours

Listed opening hours: 24 hours a day, every day (OpenStreetMap). Temporary closures are possible.

Time limits and overnight parking

Montana allows overnight parking at rest areas for up to 12 hours, one space per vehicle; camping is prohibited. Signs posted at the rest area take precedence. Source: Montana DOT (checked November 2026).

Map and coordinates

Recorded coordinates: 46.702827, -113.346065. For safe navigation, follow official road signs and make sure the approach matches your direction of travel.

Report an issue

Frequently asked questions

Which side of I-90 is this rest area on?

It serves westbound traffic on Interstate 90 near Drummond. The eastbound lanes have a separate facility.

Is truck parking available?

The 2019 federal truck parking survey (FHWA Jason's Law) lists 21 truck parking spaces at this facility. This does not indicate how many are currently free.

Can I get drinking water and use the restroom?

Yes, both are included in the official amenities listing. Check current conditions before travel.

Is this rest area open 24 hours?

It is listed as accessible 24 hours a day by OpenStreetMap. Temporary closures can still happen, so check before travel.

Can I stay overnight at this rest area?

Montana allows overnight parking at rest areas for up to 12 hours, one space per vehicle; camping is prohibited. Posted signs on site apply.

What is the next stop on I-90?

Rock Creek Rest Area, about 16 miles further along I-90 by the official mile markers.