Byron Glacier Trail near Begich Boggs Visitor Center in Portage Alaska is a short day hike that can take you back in time to the ice age. You will develop a sense of freedom when you see this landscape in its rugged and raw state that so rarely exists today. Slide down the slopes or have snowball fights. Lots of fun for the whole family. The trail is roughly 2.8 miles roundtrip and is rated as easy.