Tag archives for Wissahickon Gorge

Andorra Wind Gap

The Andorra Wind Gap links an east-northeast oriented tributary to the Wissahickon Gorge north entrance with a west-southwest oriented Schuylkill River tributary and has an elevation of 266 feet. To the south Schuylkill River-Wissahickon Creek drainage divide elevations rise to 420 feet before decreasing until Wissahickon Creek joins the Schuylkill River. To the north a […]

Wissahickon Gorge and Schuylkill Gorge barbed tributaries

Wissahickon Creek after flowing for approximately six miles in a south-southeast direction through the Wissahickon Gorge turns to flow in an east direction where it is joined by southwest oriented Monoshone Creek. But, instead of continuing in a south-southeast or east direction Wissahickon Creek makes an abrupt turn to flow in a southwest direction along […]

Marble Hall Through Valley between Spring Mill and Wissahickon Creeks

The Marble Hall Through Valley between Spring Mill Creek and Wissahickon Creek is one of several through valleys linking the Wissahickon Creek valley upstream from the Wissahickon Gorge with the Schuylkill River valley and is located in Marble Hall between Lafayette Hill and Barren Hill. Wissahickon Creek flows in a south direction at the through […]

Whitemarsh Through Valley between Plymouth and Wissahickon Creeks

The Whitemarsh Through Valley between Plymouth Creek and Wissahickon Creeks is one of several low elevation through valleys linking the Wissahickon Creek valley upstream from Wissahickon Gorge with the Schuylkill River and is a west to east oriented valley underlain by easily eroded bedrock and bounded on the south by an erosion resistant upland and […]

Wissahickon Drainage Basin, Southeast Pennsylvania

Wissahickon Creek has a relatively small drainage basin in southeastern Pennsylvania, but is located along the Schuylkill River-Delaware River drainage divide southern end and includes a well-known and picturesque gorge in northwest Philadelphia. The stream rises near Lansdale in Montgomery County and flows for approximately 23 miles in a south direction to reach northwest Philadelphia […]