Haleakala National Park Environmental Factors

Rainforests on Haleakala's steep windward slopes receive as much as 120 inches of annual rainfall. These forests are stable and enduring when not ravaged by non-native pigs and goats. Ungulate rooting and grazing quickly breaks down the native plant cover triggering devastating erosion. Landscape scale erosion in tropical mountain slopes devastates both the native biodiversity and the island's precious groundwater reserve.

Yet, Haleakala upper elevations are now free of pigs and goats, and the park serves as a core area in the East Maui Watershed Partnership to protect this native rainshed and its groundwater from ungulate destruction.

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Featured Park
Rising above a scene rich with extraordinary wildlife, pristine lakes, and alpine terrain, the Teton Range stands monument to the people who fought to protect it. These are mountains of the imagination. Mountains that led to the creation of Grand Teton National Park where you can explore over two hundred miles of trails, float the Snake River or enjoy the serenity of this remarkable place.
Featured Wildlife
The pika is a close relative of the rabbits and hares, with two upper incisors on each side of the jaw, one behind the other. Being rock-gray in color, pikas are seldom seen until their shrill, metallic call reveals their presence.