North Twin overlooks the village of Twin Mountain, lying to the north of the mountain at the intersection of US Routes 3 and 302.

The summit of South Twin Mountain is approximately one mile to the south of North Twin.

The north and east faces of North Twin drain into the Little River, thence into the Ammonoosuc and Connecticut Rivers, and into Long Island Sound in Connecticut.

The west side of North Twin drains to the North Branch of the Gale River, another tributary of the Ammonoosuc River.

This New Hampshire state location article is a stub.