Although 2.8 ha (6.9 acres) (9%) at its southern point is part of the United States (in the town of Derby, Vermont), the greater part belongs to the municipality of Ogden, Quebec, in Memphrémagog Regional County Municipality, Quebec.

At the end of the 18th century, a pioneer named Martin Adams and his wife built a house on the island, where they grew flax and vegetables.

It is under private ownership; a pheasant hunt is organized annually.

The Canada–United States border is marked by a five-meter strip cut through the forest.

This Estrie location article is a stub.