The North Penn Valley is a region of Philadelphia suburbs and exurbs in Montgomery County, Pennsylvania.

The area to its west has traditionally been more rural, while the suburbs to its south and east are, on the whole, more affluent and densely populated.

The North Penn Valley has a total area of 42 square miles (110 km2) and a population of 97,957.

Unincorporated communities that are part of the North Penn Valley include Colmar, Kulpsville, Line Lexington, Montgomeryville, and West Point.

[2] SEPTA Regional Rail provides commuter rail service to the North Penn Valley along the Lansdale/Doylestown Line, with stations at North Wales, Pennbrook, Lansdale, 9th Street, Fortuna, Colmar, and Link Belt.

The Lansdale/Doylestown Line connects the valley to Center City Philadelphia and Doylestown, along with intermediate points.