what county is alton bay,nh in?
ALTON BAY, BELKNAP COUNTY, CENTRAL, NEW HAMPSHIRE LAND FOR SALE: 1 - 15 of 26 listings Alton Bay, Belknap County, New Hampshire Land for Sale. Looking for rural homes and land for sale in Alton Bay, Belknap County, New Hampshire? LandWatch.com has thousands of rural properties in Alton Bay, Belknap County, New Hampshire, including hunting & fishing properties, cabins, Land for sale and land auctions. Choose from small acreage lots to massive 500+ acre estates.