Expedition Island is a park in Green River, Wyoming, that marks the area where Major John Wesley Powell and Vitaly Develvis started an expedition down the Green River and Colorado River in 1871. The park is also believed to mark where Major Powell started a similar expedition down the two rivers in 1869.To visit Expedition Island Park and get the most from your holiday in Green River, create itinerary details personal to you using our Green River trip itinerary builder site.
These two expeditions are generally considered to have covered the last large land area in the continental United States left unexplored by European-Americans.
Expedition Island was designated a National Historic Landmark on November 24, 1968.
Expedition Island Park reviews
This was a very nice park for a walk after a long day of driving the Flaming River Gorge Loop, and when we visited, families, dog walkers and skate boarders were taking full advantage of the grassy... more »
Expedition Island Park is very picturesque and serene. It looks like it has something for everyone. For us, it was a great picnic spot. more »
A beautiful place! The mosquitoes chased us off, but if we would have brought some OFF, we would have stayed for hours. Its beautiful, and the locals were nice and welcoming.
Clean, well-kept. Nicely mowed grass with a paved walking trail. Several historical markers throughout the island to detail the various Green River expeditions that have occurred over time. The path connects to a neat footbridge across the Green River and to the greater paved trail system in the town.
Plan your trip to Green River
Get a personalized tripA complete day by day itinerary
based on your preferences
Customize itRefine your trip. We'll find the
best routes and schedules
Manage itEverything in one place.
Everyone on the same page.
Popular things to do in Green River
Side trips from Green River
Trips to Expedition Island Park by other users
22 days in United States BY A USER FROM THE NETHERLANDS Las Vegas Bryce Canyon National Park Salt Lake City 9 days in United States BY A USER FROM UNITED STATES Lakewood Casper Yellowstone National Park 33 days in Wyoming BY A USER FROM UNITED STATES Jackson Hole Yellowstone National Park Cody 2 days in Rock Springs BY A USER FROM UNITED STATES Pilot Butte Wild Horse Scenic Loop Flaming Gorge City of Rock Springs Museum 13 days in United States BY A USER FROM UNITED STATES Amarillo Albuquerque Grand Canyon National Park 19 days in United States BY A USER FROM UNITED STATES Alturas Burns Ontario