| Meadow Valley Wash | |
| Pushpin Map: | Nevada |
| Pushpin Map Size: | 300 |
| Pushpin Map Caption: | Location of the mouth of Meadow Valley Wash in Nevada |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Nevada |
| Subdivision Type3: | Region |
| Subdivision Name3: | Lower Colorado-Lake Mead subregion |
| Subdivision Type4: | Counties |
| Subdivision Name4: | Lincoln, Clark |
| Source1 Coordinates: | 38.1913°N -114.1875°W[1] |
| Mouth: | Muddy River |
| Mouth Coordinates: | 36.6639°N -114.5719°W |
| Basin Size: | 2840sqmi[2] |
The Meadow Valley Wash is a southern Nevada stream draining the Meadow Watershed that is bordered on three sides by the Great Basin Divide. The wash's Lincoln County head point is in the Wilson Creek Range, and the wash includes two upper confluences (e.g., the Patterson Wash). Panaca is along the upper wash, and downstream of Caliente is the wash's confluence with its east fork. Just before the junction with the Muddy River, the wash flows from Lincoln County into northeastern Clark County. It flows into the Muddy in the Moapa Valley just west of Glendale adjacent to Interstate 15 approximately northeast of Las Vegas.
In addition to the Wilson Creek Range, the watershed's drainage divide is in the Delamar Mountains (to the west) and the Meadow Valley Range (east). The northern tip of the watershed is a triple watershed point with two Great Basin subregions: the Central Nevada Desert Basins and the Escalante-Sevier subregion.[3]
William Andrews Clark's 1903–1910 railroad that linked Pioche and Panaca operated through the wash until washed out by flooding.[4]