- Indian Pass, Scot Pond Brook1
- Jamaica1
- K & M Mine, Maclaren Glacier, Alaska Range1
- Kittitas1
- Lake Margaret shore, Cyrus H. McCormick Experimental Forest, 12 mi NNW of Champion1
- Larimer1
- Lincoln1
- Lolo Trail1
- Madera1
- Maine1
- Manganese River gorge, 0.75 mi SE of Copper Harbor1
- Marysville1
- McDowell1
- Mest Maui Mts. Lahaina District, West Maui Forest Reserve, above cabin at Kaulalewelewe and along trail to Violet Lake and Puu Kukui1
- Mineral1
- Mist Harbor1
- Mount Franklin Trail, beginning, Isle Royal National Park1
- Mount Marcy1
- Mount Marcy, Adirondack region1
- Mountain House, Chocorua1