COLORADO LAKES Johnson Reservoir Larimer County, CO BE THE FIRST TO WRITE A REVIEW SHARE THIS PAGE Johnson Reservoir is located in Larimer County, Colorado. This lake is 44 acres in size. BUY A COLORADO FISHING LICENSE. SIZE 44 acres ELEVATION 2,409 ft POST A FISHING REPORT BAROMETRICPRESSURE WEATHERINFO WIND MAP& FORECAST SUN/MOONINFO
