River Island State Park

River Island State Park is a developed area of Buckskin Mountain State Park, a public recreation area near Parker, Arizona, and is also known as the River Island Unit. It has shoreline on the Colorado River and stands within view of the Buckskin Mountains. The park provides camping and water recreation. It recorded 30,115 visits in 2024.

Where it is

River Island State Park is a state park near Parker. It is one of the state parks in this database, and appears in the statewide ranking of Arizona attractions.

How this ranking was reached

The score combines the published visitor count with public interest and tourism significance, which is what earns it high confidence. The weighting is explained in full on the methodology page, and every axis is broken out under Facts and sources at the foot of this page.

Sources

• Visitation: Arizona Office of Tourism Monthly State Parks Visitation Report (December 2025); source Arizona State Parks, compiled by AHRRC(opens in a new tab)
• County: U.S. Census geography via FCC Area API, resolved from coordinates

Record last verified 2026-08-12.