, ▁in ▁the ▁Mexican ▁state ▁of ▁Co ahu ila , ▁is ▁the ▁city ▁of ▁Ciudad ▁A cu ña , ▁with ▁a ▁city ▁population ▁of ▁ 2 0 1 , 1 6 1 . ▁ ▁Park s ▁and ▁recre ation ▁Lake ▁Am ist ad ▁provides ▁year - round , ▁water - based ▁recre ation ▁opportun ities , ▁including ▁bo ating , ▁fish ing , ▁sw imming , ▁sc uba ▁div ing , ▁and ▁water ▁ski ing , ▁as ▁well ▁as ▁other ▁recre ational ▁opportun ities ▁for ▁pic nick ing , ▁camp ing , ▁and ▁hunting . ▁The ▁area ▁is ▁rich ▁in ▁arch ae ology ▁and ▁rock ▁art , ▁and ▁contains ▁a ▁wide ▁variety ▁of ▁plant ▁and ▁animal ▁life . ▁Del ▁Rio ▁is ▁home ▁to ▁the ▁George ▁Paul ▁Memorial ▁Bull rid ing , ▁which ▁is ▁the ▁oldest ▁stand - alone ▁b ull - rid ing ▁event ▁in ▁the ▁world . ▁ ▁Education ▁The ▁city ▁is ▁served ▁by ▁the ▁San ▁F eli pe ▁Del ▁Rio ▁Cons olid ated ▁Independent ▁School ▁District . ▁About ▁ 1 0 , 4 5 0 ▁students ▁are ▁en rolled ▁and ▁ 6 3 7 ▁teachers ▁are ▁employed ▁at ▁ 1 4 ▁camp uses ▁throughout ▁the ▁district . ▁Del ▁Rio ▁is ▁also ▁home ▁to ▁Del ▁Rio ▁Heritage ▁Academy ▁High ▁School , ▁a ▁public ▁char ter ▁school . ▁ ▁High er ▁education ▁ ▁South west ▁Texas ▁Junior ▁College - ▁Del ▁Rio ▁( 2 ▁year ▁community ▁college ) ▁ ▁Rio ▁Grande ▁College ▁Del ▁Rio ▁( 4 ▁year ▁university ) ▁ ▁Park ▁University - ▁L