Grogg Lake is a lake located in Matanuska-Susitna County, Alaska. It appears on the Healy A-1 NE USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 4,633.27 feet (1,412.22 m) above sea level. The nearest populated place is Denali, approximately 12.2 miles to the WSW.