We drove our coach 334 miles, about six hours of driving, from Missoula, Montana to Ephrata, Washington.

Here’s a map showing our route, heading west:

This map showing timezones, as we crossed from Mountain to Pacific time (west coast best coast), and the state borders between Montana (right), Idaho (middle), and Washington (left):

An interactive map, with potential stops pinned:

Fuel stop:

I-90 West:

Clark Fork River:

Curves ahead:

Truck stop:

Roadworks:

Rest area closed due to roadworks:

Trucker info:

Welcome to Idaho and Pacific Time Zone:

Roadworks:

Elevation 3,069 feet:

Rest area:

Welcome to Washington:

Spokane:

Train:

Rest area:

Sprague Lake:

Train:

Another closed rest area:

Exit to Quincy:

Field planting sign:

Arriving at our campground:

And our site:

We drove our coach 260 miles, about five hours of driving, from Buffalo to Yellowstone National Park, Wyoming.

Here’s a map showing our route, heading west:

Route with elevations:

An interactive map, with potential stops pinned:

Highway 16, west of Buffalo, Wyoming:

Signs indicated various rock strata, e.g. Granite Gneiss rocks:

Pull-off for a break:

Runaway truck ramp and interesting rocks:

Ten Sleep is a cute little town:

Rest area:

Wildlife:

Cody:

Shoshone River:

Buffalo Bill tunnels:

Buffalo Bill reservoir:

Shoshone River:

Rest area:

More interesting rocks:

Yellowstone National Park east entrance sign:

And entrance station:

Yellowstone Lake:

Fishing Bridge RV Park check-in area:

Our site: