Geography Alpine sits on both sides of Interstate 8 at the eastern extent of the California coastal region and the western extent of the Peninsular Ranges, about east of downtown San Diego, at an elevation of about .
geOgraphy aLPInE siTs on bOTh sIDEs of iNtErstate 8 at THe eastERn EXTeNT oF the caLifoRnia cOaStal regiOn and THe westeRn ExtenT of the PenInsUlar ranGes, aboUt east of DowntoWn san diEgo, At AN elevatiOn of ABOu.t 