Sprenger Spires (not official)
Ridge in Skagit County, Washington · on the USGS Cascade Pass quadrangle
48.37929, -121.06178
Maps that show Sprenger Spires (not official)
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Cascade Pass, WA
USGS topo, 2023
Motor Vehicle Use Map — Darrington Ranger District — Mount Baker-Snoqualmie National Forest
Forest Service Maps (public domain) · Mount Baker-Snoqualmie National Forest
IFR Enroute Low Altitude Chart L-01 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
IFR Enroute Low Altitude Chart L-13 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
IFR Enroute High Altitude Chart H-01 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
IFR Enroute Low Altitude Chart L-01 (Alaska) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).