According to the latest available information, the boat ramp named Pecatonica River - Thunder Bridge Landing is located in Argyle, Wisconsin at latitude 42.75562668 and longitude -89.88736725. This boat ramp provides access to the Pecatonica River, which is a popular destination for fishing and boating enthusiasts.

The Pecatonica River - Thunder Bridge Landing boat ramp is a concrete ramp that is approximately 16 feet wide and is suitable for small to medium-sized boats up to 20 feet in length. The ramp has a gradual slope and a gentle grade, making it easy to launch and retrieve boats.

The Pecatonica River is a relatively shallow river that runs for approximately 92 miles through southwestern Wisconsin and northwestern Illinois. The river is popular for fishing and recreational boating, with a variety of fish species including catfish, walleye, bass, and panfish.

According to the Wisconsin Department of Natural Resources, motorized boats are permitted on the Pecatonica River, but there are restrictions in place for wakes and noise levels. Additionally, there are restrictions on the use of jet skis, and operators must have a valid boating license and follow all safety regulations.

In summary, the Pecatonica River - Thunder Bridge Landing boat ramp in Argyle, Wisconsin, provides access to the Pecatonica River for small to medium-sized boats up to 20 feet in length. The ramp is approximately 16 feet wide and is suitable for launching and retrieving boats. The Pecatonica River is a popular destination for fishing and recreational boating, with motorized boats permitted but with restrictions in place for wakes and noise levels.