 cross mountain is a census-designated place (cdp) in bexar county, texas, united states. the population was 3,124 at the 2010 census, up from 1,524 at the 2000 census. it is part of the san antonio metropolitan statistical area. ==geography== cross mountain is located in northwestern bexar county at  (29.655660, -98.659388).{{cite web|url=http://www.census.gov/geo/www/gazetteer/gazette.html|publisher=united states census bureau|accessdate=2011-04-
Census-designated_places_in_Bexar_County,_Texas Census-designated_places_in_Texas San_Antonio_metropolitan_area