Econo Lodge Exit 42 off I-93302 west on the right, .01 Littleton, NH Businesses Littleton Grist Mill, Inc. Come visit us in our 1798 working grist mill where history and heritage meet!Museum, tours, working mill, operational waterwheel and gearing. Come see why "we bring new meaning to the daily grind!" Littleton, NH Other Attractions Mt. Eustis Inn Littleton, NH Businesses Littleton Coin Company Littleton, NH Other Attractions Mt. Eustis Inn Littleton, NH Businesses