20 days in United States Itinerary

20 days in United States Itinerary

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Route & dates

20 days in United States Itinerary

Start: Boston
Drive:  32​h
1
Keystone
— 3 nights
Drive:  14​h 30​min
2
Glacier National Park
— 3 nights
Drive:  9​h
3
Yellowstone National Park
— 5 nights
+2
Drive + Fly + Bus:  12​h 15​min
4
Grand Canyon National Park
— 4 nights
Drive:  39​h
End: Boston

3
nights
Keystone

Keystone ©
Fewer than 400 people call Keystone home year-round, but the population explodes in summer when crowds flock to nearby Mount Rushmore.
Kick off your visit on the 21st (Tue): stroll through Presidential Trail. On your second day here, explore and take pictures at Big Thunder Gold Mine, explore the striking landscape at Needles Eye Tunnel, then contemplate the waterfront views at Sylvan Lake, and finally explore the wealth of natural beauty at Mount Rushmore National Memorial.

To find photos, where to stay, reviews, and tourist information, refer to the Keystone travel itinerary planner.

Boston to Keystone is an approximately 8.5-hour flight. You can also drive; or do a combination of train and bus. You'll gain 2 hours traveling from Boston to Keystone due to the time zone difference. Prepare for little chillier weather when traveling from Boston in May: high temperatures in Keystone hover around 59°F and lows are around 37°F. Finish your sightseeing early on the 24th (Fri) to allow enough time to travel to Glacier National Park.

Things to do in Keystone

Parks Outdoors Nature

Side Trip

Custer
Highlights from your plan
Mount Rushmore National Memorial ©
Mount Rushmore National Memorial
Custer State Park ©
Custer State Park
Sylvan Lake ©
Sylvan Lake

3
nights
Glacier National Park

Glacier National Park ©
The glaciers from which Glacier National Park takes its name mostly dissipated eons ago, but they left behind a scoured landscape of high and steep mountain peaks, sparkling lakes, lush alpine meadows, and thick forests.
Spend the 25th (Sat) exploring nature at Waterton-Glacier International Peace Park. And it doesn't end there: take a memorable drive along Going-to-the-Sun Road, explore the striking landscape at Grinnell Glacier, admire the sheer force of Virginia Falls, and tour the pleasant surroundings at Iceberg Lake Trail.

For maps, traveler tips, other places to visit, and tourist information, read Glacier National Park trip app .

Do a combination of flight and taxi from Keystone to Glacier National Park in 7 hours. Alternatively, you can drive; or do a combination of bus and train. While traveling from Keystone, expect somewhat warmer days and about the same nights in Glacier National Park, ranging from highs of 67°F to lows of 38°F. Wrap up your sightseeing by early afternoon on the 27th (Mon) to allow enough time to travel to Yellowstone National Park.

Things to do in Glacier National Park

Parks Nature Outdoors
Highlights from your plan
Grinnell Glacier ©
Grinnell Glacier
Going-to-the-Sun Road ©
Going-to-the-Sun Road

5
nights
Yellowstone National Park

Yellowstone National Park ©
An exceptionally diverse landscape and varied wildlife have made Yellowstone National Park one of America's most popular parks.
Spend the 31st (Fri) exploring nature at Yellowstone National Park. Next up on the itinerary: take in breathtaking views at Grand Canyon of the Yellowstone, take in the natural beauty of Grand Prismatic Spring, get outside with Morning Glory Pool, and hike along Artist Point.

To see more things to do, where to stay, other places to visit, and more tourist information, you can read our Yellowstone National Park trip maker app .

You can do a combination of taxi, flight, and car from Glacier National Park to Yellowstone National Park in 8 hours. Another option is to drive. Prepare for a bit cooler weather when traveling from Glacier National Park in May: high temperatures in Yellowstone National Park hover around 53°F and lows are around 27°F. Finish your sightseeing early on the 1st (Sat) so you can travel to Grand Canyon National Park.

Things to do in Yellowstone National Park

Parks Nature Outdoors
Highlights from your plan
Grand Canyon of the Yellowstone ©
Grand Canyon of the Yellowstone
Old Faithful ©
Old Faithful
Grand Prismatic Spring ©
Grand Prismatic Spring

4
nights
Grand Canyon National Park

Grand Canyon National Park ©
The size, shape, and color of Grand Canyon National Park combine to leave an impression on visitors as deep as the canyon itself.
On the 2nd (Sun), hike the day away at Bright Angel Trail. There's still lots to do: explore the stunning scenery at Grand Canyon South Rim, take some stellar pictures from Lipan Point, don't miss a visit to Grand Canyon Village, and take in panoramic vistas at Desert View Watchtower.

Plan a Grand Canyon National Park trip in moments using our itinerary builder.

You can do a combination of car, flight, and bus from Yellowstone National Park to Grand Canyon National Park in 12.5 hours. Alternatively, you can do a combination of car, shuttle, flight, and bus. In June, Grand Canyon National Park is somewhat warmer than Yellowstone National Park - with highs of 85°F and lows of 42°F. Finish up your sightseeing early on the 6th (Thu) so you can travel back home.

Things to do in Grand Canyon National Park

Parks Outdoors Trails
Highlights from your plan
Grand Canyon South Rim ©
Grand Canyon South Rim
Bright Angel Trail ©
Bright Angel Trail
Rim Trail ©
Rim Trail

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