Iron Cap Lake
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| Iron Cap Lake | |
|---|---|
 Iron Cap Lake and Iron Cap Mountain | |
  Iron Cap Lake  Iron Cap Lake | |
| Location | King County, Washington, United States |
| Coordinates | 47°33′26″N 121°17′26″W / 47.5573°N 121.2906°W |
| Basin countries | United States |
Iron Cap Lake is a small freshwater lake located in the Alpine Lakes Wilderness, at the south ridge of Azurite Lake and other Necklace Valley lakes in King County, Washington. The lake is nestled on the north skirt of Iron Cap Mountain and produces the West Fork of the Foss River towards Bonnie Lake and contributions from Otter Lake. A short distance towards the West are Crawford Lake and Chetwoot Lake. Self-issued Alpine Lake Wilderness permit required for transit within the Necklace Valley area.[1]
Iron Cap Lake replicates the geology of the ridges that surround it with Permian volcanic rocks, Jurassic/Crustaceous sedimentary and volcanic rocks, with Tertiary granites and alluvium of recent age. The ridges may have iode gold, lead-zinc and silver known as Iron Cap and Tooker-Leshud deposits.[2]
