 Summit Township is bordered by Larimer Township to the east, Greenville Township to the southeast, Elk Lick Township to the southwest, Black Township to the northwest, and Brothersvalley Township to the northeast.The borough of Meyersdale is surrounded by Summit Township, and the borough of Garrett is located along Summit Township's border with Brothersvalley Township.Pennsylvania Route 653 passes through part of Summit Township, generally running southeast from the borough of Rockwood and Milford Township, through Black Township, and into Summit Township, reaching its eastern terminus in the borough of Garrett as it intersects with Mason Dixon Highway / SR 2047.