MI · ranked by public data
4 Alpena County lakes are at least 50 state-mapped acres with an IFR-surveyed depth, out of 22 documented lakes in the county.
Alpena County, MI
70 ft maximum depth · 693 acres
Alpena County, MI
25 ft maximum depth · 5,342 acres
Alpena County, MI
8 ft maximum depth · 6,819 acres
Alpena County, MI
5 ft maximum depth · 813 acres
Methodology
FAQ
Beaver Lake — Beaver Lake in Alpena County has the deepest recorded IFR survey point of any ranked Alpena County lake, at 70 feet — a historical DNR survey figure, not a modern re-survey.
Source data: Michigan DNR Institute for Fisheries Research historical lake surveys (largely mid-1900s; depths not re-confirmed by modern survey) and Michigan DNR GIS lake polygons, as aggregated by LakeList.Lake outlines are shoreline shapes from LakeList and the USGS National Hydrography Dataset; they illustrate a lake's form and are not depth or navigation charts.