Black Rock Hot Spring is a natural thermal spring in Nevada. Its water was recorded at about 136°F (58°C) at the surface — a scalding water temperature. That figure is a historical maximum surface reading from the USGS thermal-springs inventory, not the temperature of a soaking pool, and it doesn't tell you whether the spring is developed, accessible, or safe to enter.
Dangerously hot: at or above 113°F, water can cause serious burns within seconds. Many springs this hot are vents, geysers, or boiling pools meant for viewing only — do not enter.
Because Black Rock Hot Spring's recorded temperature is above the level health agencies consider safe for soaking (about 104°F / 40°C), treat it as a hazard first. Water this hot can cause burns, and the recorded figure is the hottest point at the source — cooler mixing pools may or may not exist. Never assume a spring is safe to enter based on this classification alone.
This listing comes from the USGS/NOAA thermal-springs inventory (a reference dataset compiled from records dating to the 1960s–1980s). It does not include ownership, developed-vs-primitive status, or access rights. Many U.S. thermal springs sit on private, tribal, or protected land, or are undeveloped and unsafe — always verify legal access and current conditions with the land manager before visiting, and follow Leave No Trace.
Approximate location: 40.97, -119.01 (Nevada). This marks the USGS-recorded spring area, not a trailhead, parking spot, or public access point — many springs are on private, tribal, or protected land. Confirm legal access before visiting.
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Common questions
Frequently Asked Questions
Black Rock Hot Spring was recorded at about 136°F (58°C) at the surface in the USGS thermal-springs inventory — a scalding water temperature. This is a historical maximum surface reading, not a current or pool temperature.
We can't say. HotSpringIndex classifies water temperature from public USGS data; it is not a safety clearance. Black Rock Hot Spring's recorded temperature is above the safe hot-tub limit, so it may cause burns and could be a vent or geyser rather than a soakable pool. Access, ownership, water depth, footing, and current temperature all matter — verify them with the land manager before visiting.
Black Rock Hot Spring is a thermal spring in Nevada, near 40.97, -119.01. Many springs are on private or protected land — confirm access before you go.
Location and temperature from the USGS/NOAA Thermal Springs List for the United States (a historical reference inventory, 1965–1980). The temperature is a maximum surface reading, not a soaking-pool temperature, and can vary by season — see our methodology. This is a temperature classification, not a safety clearance: hot-spring water can scald, springs can sit on private or closed land, and conditions change. Verify access and safety with the land manager, and follow Leave No Trace.