American Lake is a lake located in Lakewood, Washington at Joint Base Lewis-McChord. It is the largest natural lake in Pierce County. There are two public parks on the large lake: American Lake North Park & Marina, and Harry Todd Park. Both have lakeside beaches for swimming, fishing, or picnicking. The first also features a boat launching area; the latter …American Lake is a lake located in Lakewood, Washington at Joint Base Lewis-McChord. It is the largest natural lake in Pierce County. There are two public parks on the large lake: American Lake North Park & Marina, and Harry Todd Park. Both have lakeside beaches for swimming, fishing, or picnicking. The first also features a boat launching area; the latter has tennis courts. Fishing is a popular activity at American Lake, with cutthroat trout, largemouth bass, rainbow trout, rock bass, smallmouth bass, Sockeye salmon and yellow perch the most sought-after game fish. The Washington State Department of Fish and Wildlife regularly monitors the health of the fishery and stocks favored species regularly.