Allagash Lake is a remote and scenic lake that is part of the Allagash headwaters in northwest Maine. The lake offers some of the most secluded and picturesque paddling in the area and is a must-do if visiting the area. The large lake can be accessed from a carry-in site off Upper Allagash Stream almost 4 miles upstream. There are camping sites located on the lake for overnight trips. The lake also has some great fishing and some ice caves that are fun to explore on the northwest side. Another option to access the lake is a from a portage trail located on the south end of the lake.