Bald Eagle Mountain
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Bald Eagle Mountain – once known locally as Muncy Mountain – is a stratigraphic ridge in the Ridge-and-Valley Appalachians of central Pennsylvania, United States, running east of the Allegheny Front and northwest of Mount Nittany. It lies along the southeast side of Bald Eagle Creek and south of the West Branch Susquehanna River, and is the westernmost ridge in its section of the Ridge-and-Valley Appalachians. The ridge line separates the West Branch Susquehanna Valley from the Nippenose and White Deer Hole valleys, and Bald Eagle Valley from Nittany Valley.
Geologic cross section along the Little Juniata River
Bald Eagle Mountain, looking south from a hill in Loyalsock Township just east of Williamsport in Lycoming County. The eastern end of the mountain is at far left, with the wind gap where US Route 15 crosses it at the middle left and the water gap from Hagermans Run above South Williamsport at middle right.
Gray areas are periglacial boulder fields on the mountainside in this view facing east
White Deer Hole Creek
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White Deer Hole Creek is a 20.5-mile (33.0 km) tributary of the West Branch Susquehanna River in Clinton, Lycoming and Union counties in the U.S. state of Pennsylvania. A part of the Chesapeake Bay drainage basin, the White Deer Hole Creek watershed drains parts of ten townships. The creek flows east in a valley of the Ridge-and-valley Appalachians, through sandstone, limestone, and shale from the Ordovician, Silurian, and Devonian periods.
White Deer Hole Creek near the Fourth Gap of South White Deer Ridge
White Deer Hole Creek (much muddier) just downstream of Spring Creek, near Allenwood and the site of the mill that may have given it its name
Spring Creek, the only named tributary, and a farm from the Pennsylvania Route 44 bridge
The unnamed tributary in the Fourth Gap of South White Deer Ridge is also rated "Class A Wild Trout Waters".