Castle Creek (Washington)
| Castle Creek | |
|---|---|
| Aerial view of Castle Creek and Castle Lake. Part of Mount St. Helens is visible in the upper left corner of the image. | |
Castle Creek (Washington) is located in Washington (state) Castle Creek (Washington) | |
| Location | |
| Country | United States |
| U.S. State | Washington |
| County | Cowlitz |
| County | Skamania |
| Physical characteristics | |
| Source | |
| • location | West flank of Mount St. Helens |
| • coordinates | 46°13′01′′N 122°14′22′′W / 46.21690°N 122.23934°W / 46.21690; -122.23934 (Castle Creek source) [1] |
| • elevation | 4,275 feet[2] |
| Mouth | North Fork Toutle River |
• coordinates | 46°16′59′′N 122°17′37′′W / 46.28302°N 122.29359°W / 46.28302; -122.29359 (Castle Creek mouth) [1] |
• elevation | 2,200 feet[2] |
| Basin features | |
| Tributaries | |
| • left | South Fork Castle Creek |
| Waterbodies | Castle Lake (South Fork) |
Castle Creek is a tributary of the North Fork Toutle River on the flank of Mount St. Helens in Washington state. It rises about two miles (three kilometers) northwest of the crater rim (46°13′01′′N 122°14′22′′W / 46.21690°N 122.23934°W / 46.21690; -122.23934 (Castle Creek source) )[1] and flows generally to the northwest. The outflow of Castle Lake joins the creek at the lake's north end (46°15′29′′N 122°16′19′′W / 46.258°N 122.272°W / 46.258; -122.272 (South Fork Castle Creek confluence) ) after traveling a few hundred meters on the South Fork Castle Creek.[2] It joins the North Fork Toutle River at 46°16′59′′N 122°17′37′′W / 46.28302°N 122.29359°W / 46.28302; -122.29359 (Castle Creek mouth) , elevation 2,200 feet.[1] [2]
Castle Lake was created by an avalanche subsequent to the May 18, 1980 eruption of Mount St. Helens which blocked South Fork Castle Creek.[3] Pre-1980 maps show this area as "Castle Creek Marsh".[4] [5]
References
[edit ]- ^ a b c d U.S. Geological Survey Geographic Names Information System: Castle Creek
- ^ a b c d The National Map, United States Geological Survey, accessed 2018年07月13日
- ^ "Lakes and Drainages Around Mount St. Helens". U.S. Geological Survey. February 7, 2013. Retrieved June 28, 2018.
- ^ United States Geological Survey topographic "Elk Rock" 15-minute quadrangle, 1964 ed.
- ^ U.S. Geological Survey Geographic Names Information System: Castle Creek Marsh marked historical with comment "Feature is now part of Castle Lake, formed by a dam created resulting from the eruption of Mount Saint Helens in 1980."
46°16′59′′N 122°17′37′′W / 46.28306°N 122.29361°W / 46.28306; -122.29361
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