Lake Hortonia was created in the 1790s when the outlet of a natural pond was dammed by a man named Horton, who built mills along the shore. The lake was later named after him, and the settlement of Hortonville grew around the dam. Today, the mills and the village are gone, but the lake remains a popular destination for boating, fishing, swimming, and wildlife viewing. Lake Hortonia covers 479 acres and has a maximum depth of 60 feet. 

There is a ramp for small boats and access on the west side of the lake from Lake Hortonia Road (VT-144).

Lake Hortonia (479 acres) is a site for the Vermont LoonWatch annual survey. Birders are encouraged to volunteer as often and whenever they are able. See Join LoonWatch for details.