▁large ▁bay ▁on ▁the ▁Ber ing ▁Sea ▁in ▁far ▁n ortheast ▁Si ber ia . ▁ ▁Location ▁The ▁bay ▁is ▁roughly ▁rect angular ▁and ▁opens ▁to ▁the ▁sout heast . ▁The ▁corners ▁are ▁( clock wise ▁from ▁the ▁south ) ▁Cape ▁Navar in ▁( another ▁source ▁says ▁the ▁adjacent ▁Cape ▁Th ad de us ), ▁An ady r ▁Est u ary , ▁Kr esta ▁Bay ▁and ▁Cape ▁Ch uk ot sky ▁on ▁the ▁Ch uk chi ▁Pen ins ula . ▁ ▁It ▁is ▁about ▁ 2 5 0 ▁miles ▁( 4 0 0   km ) ▁across . ▁A ▁long ▁gra vel ▁bar ▁runs ▁along ▁the ▁n ortheast ▁shore ▁for ▁about ▁ ▁east ▁from ▁Kr esta ▁Bay . ▁The ▁G ulf ▁of ▁An ady r ▁is ▁covered ▁with ▁ice ▁normally ▁ 1 0 ▁months ▁a ▁year . ▁Wh ales ▁such ▁as ▁bow head ▁and ▁gray ▁may ▁appear ▁close ▁to ▁sh ores . ▁ ▁Civil ization ▁The ▁town ▁of ▁An ady r , ▁the ▁administrative ▁centre ▁of ▁Ch uk ot ka ▁Aut onom ous ▁Ok rug , ▁is ▁located ▁on ▁the ▁An ady r ▁Est u ary . ▁ ▁Prov iden i ya , ▁on ▁K oms om ol sk aya ▁Bay ▁( former ly ▁Emma ▁Har bor ; ▁a ▁branch ▁of ▁Prov iden i ya ▁Bay ), ▁and ▁Eg ve kin ot , ▁on ▁Kr esta ▁Bay ▁are ▁the ▁next ▁largest ▁coast al ▁settlement s . ▁ ▁See ▁also ▁V tor aya ▁River ▁ ▁Notes ▁ ▁References ▁▁▁ ▁United ▁States ▁H ydro graph