Epsom Rest Area Epsom, NH Other Attractions Country Inn on Northwood Lake 400' Northwood Lake frontage, 3+ private wooded acres, sandy beach, lakeside deck & dock. Located at route 4/107S junction between Concord & Portsmouth, gateway to mountains & Epsom, NH Businesses Epsom Valley Campground Epsom, NH Businesses Epsom Rest Area Epsom, NH Other Attractions Blakes Brook Campground Epsom, NH Businesses