ames war am ▁Island , ▁off ▁the ▁south - e astern ▁coast ▁of ▁T amil ▁N adu , ▁India , ▁and ▁Mann ar ▁Island , ▁off ▁the ▁north - western ▁coast ▁of ▁Sri ▁L anka . ▁Ge ological ▁evidence ▁suggests ▁that ▁this ▁bridge ▁is ▁a ▁former ▁land ▁connection ▁between ▁India ▁and ▁Sri ▁L anka . ▁ ▁The ▁bridge ▁is ▁ ▁long ▁and ▁separ ates ▁the ▁G ulf ▁of ▁Mann ar ▁( s outh - west ) ▁from ▁the ▁P alk ▁Stra it ▁( n ortheast ). ▁Some ▁of ▁the ▁regions ▁are ▁dry ▁and ▁the ▁sea ▁in ▁the ▁area ▁rarely ▁exceed s ▁ ▁in ▁depth , ▁thus ▁h ind ering ▁navigation . ▁It ▁was ▁reported ly ▁pass able ▁on ▁foot ▁until ▁the ▁ 1 5 th ▁century , ▁when ▁storm s ▁deep ened ▁the ▁channel : ▁temple ▁records ▁seem ▁to ▁say ▁that ▁Adam ' s ▁Bridge ▁was ▁completely ▁above ▁sea ▁level ▁until ▁it ▁broke ▁in ▁a ▁cy clone ▁in ▁ 1 4 8 0 . ▁ ▁Historical ▁mentions ▁and ▁et ym ology ▁The ▁bridge ▁was ▁first ▁mentioned ▁in ▁the ▁ancient ▁Indian ▁S ansk rit ▁ep ic ▁Ram ay ana ▁( 7 th ▁century ▁B CE ▁to ▁ 3 rd ▁century ▁CE ) ▁written ▁by ▁Val m iki , ▁where in ▁the ▁god ▁R ama ▁had ▁his ▁Van ara ▁( ape ▁men ) ▁army ▁construct ▁it ▁to ▁reach ▁L anka ▁and ▁rescue ▁his ▁wife ▁S ita ▁from ▁the ▁Rak sh asa ▁king , ▁Rav ana . ▁ ▁The ▁western ▁world ▁first ▁encountered ▁it ▁in ▁I