Ambler, borough (1990 pop. 6,609), Montgomery co., SE Pa., suburb 14 mi/23 km NNW of downtown Philadelphia, on Wissahickon Creek; 40°09'N 75°13'W. Mfg. (electronic imaging equipment, boilers, plastics, chemicals, printing and publishing); quarrying; some agr. Temple Univ. (Ambler Campus and Gardens). Fort Washington State Park to S. Inc. 1888.