WYOMING LAKES Hay Reservoir Sweetwater County, WY BE THE FIRST TO WRITE A REVIEW SHARE THIS PAGE Hay Reservoir is located in Sweetwater County, Wyoming. This lake is 530 acres in size. BUY A WYOMING FISHING LICENSE. SIZE 530 acres POST A FISHING REPORT BAROMETRICPRESSURE WEATHERINFO WIND MAP& FORECAST SUN/MOONINFO
