Unfortunately, there seems to be some confusion in the prompt as it mentions a boat ramp named Lake Chetac Access in Missouri, but Lake Chetac and Fox Ln are actually located in Wisconsin, not Missouri. Therefore, I will provide information on the Lake Chetac Access boat ramp located in Wisconsin.

The Lake Chetac Access boat ramp is located on the east side of Lake Chetac, near Fox Ln, in Sawyer County, Wisconsin. The coordinates provided in the prompt (latitude: 45.70690536, longitude: -91.49524689) are accurate.

This boat ramp provides access to Lake Chetac, which is a 1,929-acre lake known for its great fishing opportunities. The lake is home to a variety of fish species, including musky, walleye, northern pike, bass, and panfish.

The Lake Chetac Access boat ramp is a concrete ramp with a width of approximately 16 feet. It also has a large parking area with plenty of space for vehicles and boat trailers.

The boat ramp is open to all types of watercraft, including motorboats, pontoons, and canoes or kayaks. However, it's important to note that there are no restrictions on the size or horsepower of motorized boats on Lake Chetac.

In summary, the Lake Chetac Access boat ramp in Wisconsin provides boaters with easy access to a large lake known for its great fishing opportunities. It is a concrete ramp that can accommodate all types of watercraft and has a wide parking area.