Day 1
Land in Bozeman, pick up the car, buy bear spray at Costco, then follow US-191 through Gallatin Canyon to Island Park. If light remains, drop south to Mesa Falls and come back to the hotel.
30–45 min
Car rental at Bozeman Airport
This is where the trip becomes yours. Pick up the car at Bozeman Yellowstone International Airport before anything else. Two parks in a few days only work if you can change the plan at a pullout.
20–30 min
Costco · bear spray
Costco at 1621 S Black Ave sits a few minutes from the airport. Buy bear spray here, not at the park gate. Keep a can reachable in the car. It is the one errand that belongs on day one.
10–15 min
Gallatin Gateway
The river turns turquoise against pine and snow on the Gallatin Range. Pull out once and take the first real breath of Montana after the terminal.
15–20 min
Gallatin Canyon and Big Sky
US-191 narrows and the river stays beside you. Watch the shoulders for bighorn sheep or elk. Big Sky is a marker more than a must-stop unless you want coffee.
10–15 min
Hebgen Lake
The lake takes the late light and the Madison Range sits on the water. A quiet stretch before West Yellowstone and the hotel.
15 min
West Yellowstone
Last town before the park. Market Place on Madison Avenue is useful for snacks, water, or a simple map if you did not stock up in Bozeman.
Check-in
SpringHill Suites Island Park
Check in, drop the bags, and reset. This is the quiet base for the Yellowstone days. If energy remains, Mesa Falls is still close enough for a last look.
45–60 min
Mesa Falls
Upper Mesa Falls is a short drive south of Island Park. The river drops hard through dark rock and the spray catches the last light. Return to the hotel after. Do not turn this into a long hike on arrival day.



