User:MIDI/Drafts/Holly Hock Island

Holly Hock Island (alternatively spelled Hollyhock Island) is an island in the Yantic River near Norwich, Connecticut. It is located at the river's convergence with the Shetucket River, where the waterways become the Thames River.

Geography
The island is located at the source of the Thames River, where the Yantic River and Shetucket River converge approximately 15 mi from the Long Island Sound.

The island has a peak of ≥40 ft AMSL.

History
At one time, the island was home to the landfill site serving Norwich. Other amenities on the island include a junkyard and a sewage treatment plant. In 1987, a marina was built at the southern end of the island on land previously occupied by a coal depot.