The northern part of New Hampshire is not as densely packed with farms as the southern tier, which makes the right stops more valuable. A farm near the mountains should be treated like part of the route, not a random errand after the hike.
Farms to know near the mountains
Big Rock Goat Farm in Rumney brings a goat and dairy angle to the western side of the White Mountains. It is especially useful for travelers moving through Rumney, Plymouth, or the roads toward Lincoln, where farm stops are less common than trail stops.
Longview Farm in Plymouth sits in a part of New Hampshire that already functions as a mountain gateway. It can work as a quieter farm note on a trip that otherwise leans toward hikes, rivers, and town centers.
Bonnie Brae Farms in Plymouth gives the same route another local farm option, close enough to pair with a campus visit, a lakes drive, or the beginning of a White Mountains weekend.