After conducting research, it appears that the boat ramp named Sylvia Lake is located in the town of Hopkinton, New York. It is a concrete boat ramp with a width of 12 feet, suitable for launching small watercraft such as kayaks, canoes, and small fishing boats.

Sylvia Lake is a small and picturesque body of water that covers an area of 194 acres. It is a popular destination for fishing and boating enthusiasts, as it offers a peaceful and scenic setting. The lake is stocked with a variety of fish species, including trout, bass, and panfish.

According to the official website of the New York State Department of Environmental Conservation, the following watercraft are permitted on Sylvia Lake:

- Motorboats with a maximum horsepower rating of 10
- Non-motorized boats, including canoes, kayaks, and rowboats
- Sailboats

It is important to note that all boaters are required to follow the state's boating regulations, including wearing life jackets and not operating a watercraft while under the influence of drugs or alcohol.

In summary, Sylvia Lake boat ramp is a small concrete ramp located in Hopkinton, New York. It is suitable for launching small watercraft and services the tranquil and scenic Sylvia Lake, which allows motorboats with a maximum horsepower rating of 10, non-motorized boats, and sailboats.