Quartz Flats Rest Area Westbound – I-90

Quartz Flats Rest Area is a rest area on I-90 westbound near Lozeau in Mineral County, Montana. Reported truck parking: 10 spaces. The next westbound stop is Dena Mora Rest Area, about 54 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: Alberton Rest Area ≈ 15 mi along I-90Next: Dena Mora Rest Area ≈ 54 mi along I-90

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

Reported parking capacity

Truck parking10Reported 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✓ Drinking water✓ Pet area

Unknown (not documented in the sources): Family restroom, Accessible facilities, Picnic tables, Vending machines, Public phone, RV dump station, EV charging, Wi-Fi.

A reported facility does not guarantee current availability.

About this rest area

On Interstate 90 westbound near Lozeau, the Quartz Flats Rest Area gives travelers in Montana a place to stop. We have no dated confirmation of its current operating status. Confirm the current situation with the Montana Department of Transportation before you plan a break here.

Location and driving direction

You reach it from the westbound lanes of I-90, near Lozeau in Mineral County. It is listed near mile marker 58.

Heading the other way? Use Quartz Flat Rest Area (eastbound) instead; the two sides are not connected for drivers.

Further along I-90, Dena Mora Rest Area follows after roughly 54 miles.

Parking and amenities

The 2019 federal truck parking survey (FHWA Jason's Law) lists 10 truck parking spaces.

According to the available records, you will find:

  • Restrooms
  • Drinking water
  • Pet area

These are capacity figures, not a live count of free spaces. Availability of individual amenities can change.

How long can you stay?

Montana allows overnight parking at rest areas for up to 12 hours, one space per vehicle; camping is prohibited. Posted signs at this rest area can set a different limit. Source: Montana DOT (checked November 2026).

Map and coordinates

Recorded coordinates: 47.074273, -114.765644. Use them as a reference only; follow the posted signs to the entrance.

Report an issue

Frequently asked questions

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

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

Is truck parking available?

The 2019 federal truck parking survey (FHWA Jason's Law) lists 10 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 there a pet area?

A pet area is listed for this location. Keep pets leashed and follow posted rules.

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?

Dena Mora Rest Area, about 54 miles further along I-90 by the official mile markers.