Expedition Island Park, Green River

#3 of 13 in Things to do in Sweetwater County
Park · Hidden Gem · Nature / Park
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.
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.
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Expedition Island Park reviews

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TripAdvisor traveler rating 4.5
52 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.

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