
Twisp sits at the northeastern corner of this study, where the valley floor meets the rising peaks of the Okanogan National Forest. The landscape is defined by a series of prominent ridges and deep drainages, including Newby Ridge and the sprawling Lookout Ridge, which culminates at Lookout Mtn. Water distribution is centered on the Twisp River and its numerous tributaries, such as Poorman Creek and Libby Creek, which carve out significant canyons across the terrain.
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1899 · Methow
USGS Topo · 1:125,000
1901 · Methow
USGS Topo · 1:125,000
1955 · Concrete
USGS Topo · 1:250,000
1958 · Concrete
USGS Topo · 1:250,000
1962 · Concrete
USGS Topo · 1:250,000
1968 · Methow
USGS Topo · 1:24,000
1968 · Hungry Mtn
USGS Topo · 1:24,000
1969 · Martin Peak
USGS Topo · 1:24,000
1969 · Thompson Ridge
USGS Topo · 1:24,000
1969 · Buttermilk Butte
USGS Topo · 1:62,500