Irvine Spring
Irvine Spring emerges at 70°F from Dixie National Forest at 5,700 feet elevation, accessible via a 762-meter walk from North Baker Lake Road. Recent USGS measurements recorded 15°C with minimal chloride content (7.5 mg/L), suggesting relatively fresh thermal water. The spring runs 14 degrees above the 56°F ambient temperature in Washington County near Enterprise.
The spring sits in the transition zone between high desert sagebrush and montane forest in the Pine Valley Mountains. At this elevation, pinyon pine and juniper dominate with Ponderosa pine appearing on north-facing slopes. The surrounding landscape features volcanic geology with basalt flows and cinder cones characteristic of Utah's southwestern corner. North Baker Lake Road follows a broad canyon with seasonal drainage, and the spring likely emerges along a fault line where groundwater intersects the surface. The area shows evidence of past grazing with scattered aspen groves in drainages.
The spring's name honors an early settler or Forest Service employee, though specific documentation is limited in historical records. Ancestral Puebloan and Southern Paiute people utilized these mountains for seasonal hunting and plant gathering. The Dixie National Forest was established in 1905, incorporating these lands into federal management. The nearby Pine Valley Guard Station, built by the Civilian Conservation Corps in 1935, reflects New Deal-era forest infrastructure. Current management balances recreation, grazing, and watershed protection.
Visit May through October when North Baker Lake Road is passable; winter snow closes the route and requires snowshoes or skis for the final 1.5 miles to Pine Valley Guard Station 12 km away. The 762-meter approach crosses National Forest land with no formal trail—bring GPS and sturdy footwear. Water temperature is warm but not hot enough for extended soaking. Afternoon thunderstorms are common July through September. Combine with camping at Pine Valley Guard Station or exploring volcanic features along Highway 18.
Is Irvine Spring worth visiting?
Best for
- Overnight camping trips
Overview Pine Valley Guard Station is located in scenic Pine Valley Recreation Area, about 45 minutes from St. George, Utah. Built in 1935 by the Civilian Conservation Corps, the station was used to house a recreation guard during the summer months to assist the visiting public. The cabin is open year-round and is accessible by vehicle during good road conditions. Winter use of the cabin may require snowshoeing, hiking or cross-country skiing about 1.5 miles from the trailhead at the entran...