Glacier National Park officials are predicting that the entire Going-to-the-Sun Road, which was buried in places by a number of mud-and-rock slides on Tuesday, will be open for end-to-end travel by Thursday evening.

A heavy downpour Tuesday triggered some mud and rock slides along the Going-to-the-Sun Road in Glacier National Park, trapping about 10 vehicles and requiring at least one visitor to be taken to a hospital.

Tucked far north in Montana, hard against the Canadian border, Glacier National Park is a rumpled and craggy masterpiece. Within the park’s 1 million acres rise rustling aspen glades, stands of an unusual evergreen—larch—that loses its needles in winter, even a temperate rainforest of Pacific red cedars, hemlocks and Pacific yew. This is the kingdom of grizzlies and wolves, wolverines and lynx, species that for many exist only in books, magazines, and nature documentaries.

From introducing school children to nature and underwriting wildlife research, the Glacier Fund is at work daily on helping the National Park Service meet the needs of Glacier National Park.