Deer Lake, located in Itasca County, Minnesota, is a picturesque reservoir created by a gravity dam constructed in 1938 by the Works Progress Administration - Civil Works Division. The dam stands at a height of 6.1 meters, with a structural height of 8 meters and a hydraulic height of 1.7 meters. With a normal storage capacity of 248,360 acre-feet and a maximum storage of 324,984 acre-feet, Deer Lake covers a surface area of 3,958 acres and drains an area of 45 square miles through the Deer River.

Managed by the Minnesota Department of Natural Resources, Deer Lake serves a primary purpose of "Other" and is regulated by the state agency for water resources, enforcement, permitting, and inspection. The dam, with a low hazard potential and fair condition assessment, is associated with the Deer River and provides essential water resource management for the surrounding area. With its tranquil waters and lush surroundings, Deer Lake is a vital water resource and a haven for wildlife and outdoor enthusiasts alike.

Surrounded by the natural beauty of the Northwoods, Deer Lake offers a serene setting for recreational activities such as boating, fishing, and hiking. The dam's historical significance, coupled with its functional role in water management, makes Deer Lake a compelling destination for both water resource and climate enthusiasts seeking to appreciate the intersection of nature and infrastructure in Minnesota's stunning landscape.