The Allegheny is the state's only national forest.

It is probably the only forest in Haryana with a natural 'sal' tree belt.

Today, the only relatively untouched forest is located in a handful of nature reserves.

The island's only forest was planted in 1948.

If enacted, the proposal would make the Tongass the only national forest where jobs were the pre-eminent consideration.

This holds the World record for being the only forest surrounded by cities and still protected.

It is the only national forest in the state of California without a major paved road entering it.

It is the only national forest in Ohio.

The mountain has the only protected forest in the Philippines, with an estimated area of 2,000 hectares.

Karantere contains the country's only forest of spruce trees.