Humboldt Salt Marsh, Salt marsh in Nevada, United States

Humboldt Salt Marsh lies in the Humboldt Sink of Churchill County, northwestern Nevada, and is one of only two salt marshes in the state, alongside the Tonopah Wetland in the Tonopah Basin. It is protected within the Humboldt Wildlife Management Area. The surrounding climate is cold and arid, with July highs averaging 35 °C and December lows near −2 °C.

Humboldt Salt Marsh lies in the Humboldt Sink of northwestern Nevada, one of only two salt marshes in the state, alongside the Tonopah Wetland in the Tonopah Basin. It is protected within the Humboldt Wildlife Management Area. The sink is a closed basin where water collects and evaporates, leaving salts behind.

The marsh lies within the Humboldt Wildlife Management Area, which manages it as protected wetland habitat. It is one of only two salt marshes in Nevada, the other being the Tonopah Wetland in the Tonopah Basin, so the site is a rare feature in a state that is largely desert.

Visitors can explore the area through designated entry points at the Humboldt Wildlife Management Area, with spring offering the best opportunities for wildlife viewing. Sturdy footwear and sun protection are important since the open terrain provides little shade.

Nevada holds only two salt marshes: this one in the Humboldt Sink and the Tonopah Wetland in the Tonopah Basin. The marsh lies inside the Humboldt Wildlife Management Area, and the nearest sizable city is Fallon in Churchill County, roughly 3,500 km west of Washington, D.C.