▁Res er voir ▁of ▁the ▁Vol ga ▁near ▁the ▁city ▁of ▁Ch ere p ov ets . ▁Ch ere p ov ets , ▁as ▁well ▁as ▁the ▁urban - type ▁settlement ▁of ▁She ks na , ▁are ▁located ▁on ▁the ▁She ks na . ▁ ▁Most ▁of ▁the ▁present ▁course ▁of ▁the ▁river ▁was ▁accommod ated ▁as ▁the ▁She ks na ▁Res er voir , ▁with ▁the ▁dam ▁constructed ▁in ▁She ks na . ▁Pre viously , ▁the ▁length ▁of ▁the ▁She ks na ▁was ▁some ▁, ▁and ▁the ▁mouth ▁of ▁the ▁river ▁was ▁located ▁in ▁the ▁city ▁of ▁Ry bin sk , ▁Y ar oslav l ▁O blast . ▁The ▁part ▁of ▁the ▁river ▁between ▁Ch ere p ov ets ▁and ▁Ry bin sk ▁disappeared ▁when ▁the ▁Ry bin sk ▁Res er voir ▁was ▁constructed ▁between ▁ 1 9 3 5 ▁and ▁ 1 9 4 7 . ▁Currently , ▁the ▁only ▁natural ▁stretch ▁of ▁the ▁course ▁of ▁the ▁She ks na ▁is ▁located ▁between ▁the ▁urban - type ▁settlement ▁of ▁She ks na ▁and ▁the ▁city ▁of ▁Ch ere p ov ets . ▁ ▁The ▁river ▁bas in ▁of ▁the ▁She ks na ▁compr ises ▁vast ▁areas ▁in ▁the ▁west ▁and ▁in ▁the ▁north west ▁of ▁V olog da ▁O blast , ▁including ▁parts ▁of ▁V y te gor sky , ▁V ash kin sky , ▁Kir il lov sky , ▁Bel oz ers ky , ▁She ks n in sky , ▁and ▁Ch ere p ov et sky ▁District s