Expedition Island, Nature reserve in Green River, Wyoming, United States
Expedition Island spans 7.1 acres along the Green River, featuring recreational areas, a playground, and access to water activities.
Major John Wesley Powell launched his significant explorations of the Green and Colorado Rivers from this site in 1869 and 1871.
The island holds regular community events including the River Festival, Art on the Green, and Flaming Gorge Days throughout the year.
The park offers facilities for picnicking, fishing, kayaking, and tubing, with access through bridges from both north and south banks.
The exploration missions that started from this location completed the mapping of the last unknown territory in the continental United States.
Location: Green River
GPS coordinates: 41.52303,-109.47107
Latest update: March 3, 2025 19:27
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