Spire Mountain is a 6,213-foot Cascade Range mountain summit located in Snohomish County, Washington. It is set 7 miles northeast of the town of Index, and 4 miles north-northeast of Gunn Peak, its nearest higher neighbor. This mountain is situated in the Wild Sky Wilderness, on land managed by Mount Baker-Snoqualmie National Forest. Precipitation …Spire Mountain is a 6,213-foot Cascade Range mountain summit located in Snohomish County, Washington. It is set 7 miles northeast of the town of Index, and 4 miles north-northeast of Gunn Peak, its nearest higher neighbor. This mountain is situated in the Wild Sky Wilderness, on land managed by Mount Baker-Snoqualmie National Forest. Precipitation runoff from the mountain drains into tributaries of the Skykomish River. The first ascent of the highest Northwest Spire was made in 1934 by Dwight Dean and Kenneth Chapman. The first ascent of the Central Spire was made in 1938 by Karl Boyer, Lyman Boyer, and David Lind. The Southeast Spire is estimated as 6,185 feet in elevation.