Badwater is a locale in Inyo County, California. It is located in Death Valley northeast of Bennetts Well, at an elevation of . Badwater has never had a permanent population, though there is a 1946 report of a campsite at Badwater. Badwater is also known for being the start of the Badwater Ultramarathon, billed as the toughest foot race on the planet. References Populated places in the Mojave Desert Unincorporated communities in California Unincorporated communities in Inyo County, California