The Beaver Dam Wash is a seasonal stream near the southwestern Utah-Nevada border. At its southern end in northern Arizona, near the point where it empties into the Virgin River, the stream flows throughout the year. Part of the wash is in the Beaver Dam Wash National Conservation Area, managed by the Bureau of Land Management. Winters are mild with temperatures reaching highs from the mid 50s to 60s degrees Fahrenheit. Winter lows are usually in the 40s to high 20s Fahrenheit. Summer highs are commonly over 100 degrees Fahrenheit with lows in the mid 80s Fahrenheit.