Allentown topographic map

Average elevation: 155 m

Average elevation: 116 m

Average elevation: 178 m

Average elevation: 144 m

Average elevation: 205 m

Average elevation: 128 m

Average elevation: 126 m

Average elevation: 111 m

Average elevation: 152 m

Unlike Blue Mountain to its north, South Mountain does not follow a straight geographic line. The mountain ranges in elevation between 500 and 1,300 feet (150 and 400 m) above sea level. The ridge is made of metamorphic rocks and gneiss, which date to the Precambrian era and range from about 570 million to…

Average elevation: 153 m

Average elevation: 203 m

Average elevation: 141 m

Trexlertown is located southwest of the center of Lehigh County along the southeastern edge of Upper Macungie Township at an altitude of 397 feet (121 m). It is bordered to the southwest by Breinigsville and to the southeast by Lower Macungie Township. U.S. Route 222 forms the northern edge of the community;…

Average elevation: 127 m

Average elevation: 155 m

Average elevation: 205 m

Average elevation: 141 m

Average elevation: 146 m

Average elevation: 199 m

Average elevation: 213 m

Unlike Blue Mountain to its north, South Mountain does not follow a straight geographic line. The mountain ranges in elevation between 500 and 1,300 feet (150 and 400 m) above sea level. The ridge is made of metamorphic rocks and gneiss, which date to the Precambrian era and range from about 570 million to…

Average elevation: 153 m

Average elevation: 205 m

Average elevation: 147 m

Average elevation: 126 m

Average elevation: 165 m

Average elevation: 158 m

Average elevation: 208 m

Average elevation: 178 m

Average elevation: 138 m