Poison Creek Picnic Site offers a rare developed recreation stop along the remote Owyhee Uplands Backcountry Byway in southwestern Idaho. Managed by the Bureau of Land Management, this shaded grove of cottonwoods provides a welcome oasis in the high desert landscape, featuring picnic tables, grills, fire grates, a vault toilet, and a short hiking trail.

The site serves as an ideal base for exploring the surrounding BLM lands, where dispersed camping is generally permitted on undeveloped public land. Visitors can swim in the creek during warmer months—notably, the swimming area is accessible—making this a practical stop for families and travelers with mobility considerations.

Access requires navigating the Mud Flat Road, a backcountry byway best suited for high-clearance vehicles, particularly after rain. The remote location means no services are nearby, so arrive with full water containers, supplies, and a detailed map.

Spring and fall offer the most comfortable temperatures for camping and hiking, while summer brings hot days balanced by the creek’s cooling waters. Winter access may be limited by road conditions.

Explore Nearby

• Bruneau Dunes State Park — State Park in Idaho
• Three Island Crossing State Park — State Park in Idaho
• Sawtooth National Forest — National Forest in Idaho, Utah