THE OTIS GENERAL STORE is located on Route 180 between Ellsworth, Maine, and Route 9 at Clifton. During the summer, it services vacationers who congregate around popular Beech Hill Pond. HOURS: Mon-Wed, 5:30 a.m. til 8 p.m. Thurs-Sat. 5:30 a.m. til 9 p.m. Sunday 7 a.m. til 8 p.m. During July and August, the Otis General Store stays open til 10 p.m.