Glacier National Park in Spring is incredible. There are so many reasons that Spring is the best time to visit Glacier National Park! 9 best day hikes! Glacier National Park is without a doubt one of the best hiking destinations not only in the United States, but on Planet Earth! There is an incredibly diverse array of things to do, from mountain passes to lakeside strolls, from wildlife tours to valley hikes! Glacier has all of it and more! Nine gorgeous hikes in Glacier National Park.