Tag archives for Delaware-Schuylkill drainage divide

Guide to Landforms Seen Along the SEPTA Paoli-Thorndale Regional Rail Line

The Paoli-Thorndale Regional Rail Line is unique among the SEPTA Regional Rail Lines in that between Ardmore and Malvern it follows the Schuylkill-Delaware River drainage divide and further west crosses the Schuylkill-Delaware River divide along the Chester Valley south wall. The Paoli-Thorndale Regional Rail Line, which was originally the Pennsylvania Railroad main line and which […]

Guide to Landforms Seen Along SEPTA’s Warminster Regional Rail Line

Overview: Along its 21-mile distance SEPTA’s Warminster Regional Rail line ascends from sea level to approximately 320 feet and crosses the Delaware-Schuylkill River drainage divide twice as it travels from the Tookany Creek drainage basin to the Wissahickon Creek drainage basin and then to the Pennypack Creek drainage basin. Along the way observant riders can […]

Strafford through valley linking Darby and Gulph Creeks

A shallow, but interesting through valley crosses the Schuylkill River-Delaware River drainage divide at the Main Line community of Strafford and links east oriented Gulph Creek, which flows to the Schuylkill River, with south oriented Darby Creek tributaries, with Darby Creek eventually reaching the Delaware River. The drainage divide elevation at the Strafford through valley […]

Radnor saddle on the Schuylkill River-Delaware River drainage divide

The town of Radnor is located Schuylkill River-Delaware River drainage divide between Gulph Creek, which flows to the Schuylkill River, and Ithan Creek, which flows to Darby Creek, which then flows to the Delaware River. The drainage divide elevation at the Radnor saddle location is between 410 and 420 feet while the drainage divide rises […]

Rosemont saddle on the Schuylkill River-Delaware River drainage divide

The towns of Villanova, Rosemont, and Bryn Mawr are located Schuylkill River-Delaware River drainage divide with Rosemont being located on the divide between Mill Creek, which flows to the Schuylkill River, and Meadowbrook Run, which flows to Darby Creek, which then flows to the Delaware River. The drainage divide elevation at the Rosemont saddle location […]

Through Valley Crossing the Delaware-Schuylkill Drainage Divide at Deer Run and East Branch Perkiomen Creek

A well defined northeast-to-southwest oriented through valley links the northwest oriented Deer Run valley with the southwest oriented East Branch Perkiomen Creek valley. The Deer Run valley drains to southeast, east, and south oriented Tohickon Creek, which flows to the southeast oriented Delaware River and the East Branch Perkiomen Creek drains to south and southwest […]