In 1851, the New Hampshire state legislature authorized the governor and council to appoint a land commissioner to sell the public lands, and James Willey of Conway was appointed to that office.

[citation needed] According to the United States Census Bureau, the location has a total area of 9.7 square miles (25 km2), all land.

The only roadway in the grant is Base Road, running from the Jefferson Notch Road (a small section of which is also in the Grant) to the nearby Cog Railway at Marshfield Station, to the east.

The summit of Mount Pierce is the highest point in Bean's Grant, measuring 4,310 feet (1,310 m) above sea level.

There are seasonal residents at the AMC hut at Mizpah Spring, along the Appalachian Trail.