Spark Plug Mountain
Summit in King County, Washington · on the USGS Scenic quadrangle
47.65944, -121.15579
Maps that show Spark Plug Mountain
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Scenic, WA
USGS topo, 2023
Motor Vehicle Use Map
Skykomish Ranger District — Mount Baker-Snoqualmie National Forest (2025)
IFR Enroute Low Altitude Chart L-01 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-13 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-01 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-01 (Alaska)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).