Data Disclaimer: Water level data is provided by USGS and NOAA for informational purposes only. Verify conditions on-site before any water activities.
Learn more
Mercer Lake is a 181-acre lake in Iron County, Wisconsin, offering a public county boat ramp on the eastern shore for easy water access. The ramp is located at the county park on County Park Road (4720 W County Park Rd, Mercer, WI) and provides a reliable launch point for kayakers, canoeists, and motorboats. With a maximum depth of 24 feet, the lake is suitable for various paddling activities and recreational boating.
The lake supports several fish species including yellow perch, largemouth bass, bluegill, and hatchery rainbow trout, making it popular with anglers. The surrounding area offers additional amenities at Mercer Lake Resort, which provides boat rentals and moorage if needed. The county park facility includes basic services such as water access and pit toilets, making it convenient for day trips and extended outings.