Area of the Crater 19 Square miles
Circumference of the Crater 20 Miles
Extreme length of the Crater 7½ Miles
Extreme width of the Crater 2½ Miles
Elevation of the summit of Red Hill 10,005 Feet
Elevation of Puu o Maui 8,133 Feet
Elevation of Park Boundary, Kaupo Trail 3,847 Feet
Elevation of Park Boundary, Koolau Gap 6,450 Feet
Area of the Haleakala Section, Hawaii National Park 26.7 Square miles