The 58-acre lake has a maximum depth of 21 feet and features excellent populations of largemouth bass, crappie, bluegill, channel catfish and bullhead. Numerous fish cribs and attractors have been put into the lake to enhance fishing. Location of the fish attractors is available at the office. In addition, muskie and northern pike have been added to the lake in recent years, providing visitors with an exciting, new fishing opportunity. Boating Johnson-Sauk Trail Lake's boat launch is adjacent to the concession area near the dam.
Boats also are available for rent from the concessionaire.
Only electric trolling motors are permitted on the lake. If added miles are desired, the trails have been designed to connect so you can link one to another. The park's hills also are ideal for sledding and the lake provides an excellent place to go ice fishing or ice skating. Snowmobiling is not allowed until hunting season is closed around the middle of January. Hunting Times have changed since market hunters poured into the area to take advantage of the wildlife hunting opportunities.