| Alder Creek Tributary to South Fork Merced River | |
|---|---|
| Location | |
| Country | United States | 
| State | California | 
| County | Mariposa | 
| Physical characteristics | |
| Source | Bridleveil Creek divide | 
| • location | about 3 miles southeast of Badger Pass Ski Area | 
| • coordinates | 37°38′28″N119°37′46″W / 37.64111°N 119.62944°W [1] | 
| • elevation | 7,520 ft (2,290 m) [2] | 
| Mouth | South Fork Merced River | 
|  • location | about 6 miles northwest of Winona, California | 
|  • coordinates | 37°34′37″N119°41′55″W / 37.57694°N 119.69861°W [1] | 
|  • elevation | 3,457 ft (1,054 m) [3] | 
| Length | 6.50 mi (10.46 km) [4] | 
| Basin size | 14.89 square miles (38.6 km2) [5] | 
| Discharge | |
| • location | South Fork Merced River | 
| • average | 20.37 cu ft/s (0.577 m3/s) at mouth with South Fork Merced River [5] | 
| Basin features | |
| Progression | South Fork Merced River → Merced River → San Joaquin River → Suisun Bay → San Francisco Bay → Pacific Ocean | 
| River system | Merced River | 
| Tributaries | |
| • left | unnamed tributaries | 
| • right | unnamed tributaries | 
| Bridges | Wawona Road | 
Alder Creek is a stream in Mariposa County, California, in the United States. It is a tributary of the South Fork Merced River. [6]
Alder Creek was likely named after Alnus rhombifolia , also known as alder. [7]
Alder Creek rises about 3 miles southeast of Badger Pass Ski Area in Mariposa County, California, and then flows southwest to join South Fork Merced River about 6 miles northwest of Wawona. [3]
Alder Creek drains 14.89 square miles (38.6 km2) of area, receives about 45.6 in/year of precipitation, has a wetness index of 308.92, and is about 92% forested. [5]