| Gypsum Wash | |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Nevada |
| Subdivision Type4: | County |
| Subdivision Name4: | Clarke County |
Gypsum Wash is an ephemeral stream or wash in Clark County, Nevada. Gypsum Wash was originally a tributary of Las Vegas Wash before the formation of Lake Mead which submerged their confluence under Las Vegas Bay. Due to the lowering of the reservoir over recent years Gypsum Wash is once again a tributary of Las Vegas Wash, now exposed at 36.1178°N -114.8483°W at an elevation of 1085 feet. When Las Vegas Bay is at its full level, Gypsum Wash flows into Lower Gypsum Wash Cove at 36.1286°N -114.8572°W at an elevation of 1204abbr=offNaNabbr=off.
Gypsum Wash has its source in the Dry Lake Range, at 36.3458°N -114.8689°W at an elevation of 3120abbr=offNaNabbr=off.