Parkinsonia aculeata photographed in Buckskin Mountain State Park, Arizona. The (dry, small) grayish shrubs are Encelia, probably Encelia farinosa.
Parkinsonia aculeata photographed in Buckskin Mountain State Park, Arizona. The (dry, small) grayish shrubs are Encelia, probably Encelia farinosa. Homer Edward Price · CC BY 2.0

River Island State Park

State Park · Arizona · Arizona State Parks & Trails

Plan your visit

Know before you go

Official site
azstateparks.com
Managed by
Arizona State Parks & Trails
Established
1967

Getting there

Directions on Google Maps →

What's here

Activities & features: Camping · Dog Park · Picnic Area

Nearby parks

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49 parks mapped in Arizona

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Guides for the trip

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Sources: Wikimedia Commons / editorial, State agency · updated 2026-08-24