Sinlahekin Valley cuts through this high-altitude landscape in Okanogan County, where water resources were carefully managed via the Sinlahekin Impoundment Number Two and Sinlahekin Cr. The terrain is defined by prominent peaks including Blue Goat Mtn, Aeneas Mtn, and the Twin Peaks, while lower elevations are marked by a series of small water bodies like Blue Lake, Forde Lake, and Crowder Pond. Local transit and land access are reflected in family-named corridors such as Douglas Mountain Rd, Lemanasky Rd, and Van Der Schelden Rd, which connect the scattered mountain features and valleys. Evidence of community history persists in the southeast corner near the Pine Creek Cemetery Rd, signaling early settlement patterns in this part of Washington.
31 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1906 · Chopaka
USGS Topo · 1:125,000
1954 · Okanogan
USGS Topo · 1:250,000
1956 · Loomis
USGS Topo · 1:62,500
1956 · Tiffany Mountain
USGS Topo · 1:62,500
1956 · Horseshoe Basin
USGS Topo · 1:62,500
1957 · Conconully
USGS Topo · 1:62,500
1958 · Okanogan
USGS Topo · 1:250,000
1980 · Aeneas Lake
USGS Topo · 1:24,000
1980 · Blue Goat Mtn
USGS Topo · 1:24,000
1981 · Conconully East
USGS Topo · 1:24,000