The Dome is a 5,720+ ft mountain summit located in Mount St. Helens National Volcanic Monument, in the Gifford Pinchot National Forest, in Skamania County of southwest Washington state. It is situated in the Cascade Range, less than 2 mi (3.2 km) north of Spirit Lake, and 1.28 mi (2.06 km) northeast of Coldwater Peak. Its nearest higher neighbor is Mount Margaret, 1.16 mi (1.87 km) to the northeast, and Mount St. Helens rises 7.5 mi (12.1 km) to the south. Precipitation runoff from The Dome is drained by Coldwater Creek, a tributary of the North Fork Toutle River.