Listings >> Trails & Scenery Portage Pass Trail One of the best hikes in the area. Great day hike or overnight hike Trailhead accessed on Whittier side of Tunnel – Learn about the Whittier Tunnel HERE. Take a dip in Portage Lake and view Portage Glacier 1.5 miles (one way) to the pass – Moderate Difficulty 3 miles (one way) to the lake – Moderate Difficulty Portage Pass Trail Whittier 99693 AK US Get directions Trails & Scenery Photo gallery All photos (6)