Loch Lomond is a man-made lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 in Mundelein, Illinois

Mundelein, Illinois

Mundelein is a village in Lake County, Illinois, in the United States. As of the 2010 census, the village population was 31,064.-History:The community now known as Mundelein has been inhabited since at least 1650, when the Potowatami Indians were known to have been trading with French fur traders....

, as well as the subdivision built around said lake. The lake is administered by the Loch Lomond Property Owners Association, and access is restricted to members of the association and their guests.

There are two beaches open to the residents of Loch Lomond: North Beach & South Beach. South Beach is the larger of the two and the main swimming area, with large pier, raft, and playground area. This beach also offers swimming lessons in the summer. North Beach is favored for fishing; while swimming is allowed, no lifeguards are on duty.

Loch Lomond forbids motorized water sports, but row boats, kayaks, peddle boats, and even small sailing boats are common.