Frog Rock is a landmark located on a privately owned roadside park off U.S. Route 44 in Eastford, Connecticut.

The rock is a large glacial erratic painted green with a white lip and eyes to resemble a lugubrious frog.

[1] The rock was first painted and turned into an attraction in 1881 by state legislator Thomas J. Thurber (a Republican from Putnam), who passed the rock frequently on trips to Hartford and observed that it resembled the shape of a squatting frog.

[2] The location became a popular roadside picnic area for many years for travelers between Providence and Hartford.

In 2012, Joe Lernould bought the 2.5-acre wooded rest stop from the state for $27,000 and then opened a small seasonal antiques store, gift shop, and food truck.