Chugach National Forest Sign

The road cycling route from Girdwood to Portage Lake offers an immersive Alaskan experience, tracing the dramatic shores of Turnagain Arm with the Chugach Mountains as your constant backdrop. You'll pass through areas with large conifer trees, catch glimpses of small waterfalls fed by glacier run-off, and eventually arrive at Portage Lake, often featuring floating ice chunks. This journey is less about a dedicated trail and more about the incredible scenery you'll encounter along the way, making it a memorable ride for those seeking natural beauty.

This moderate route covers 41.9 miles (67.4 km) with 847 feet (258 metres) of elevation gain, typically taking around 3 hours and 26 minutes. It primarily utilizes the wide shoulders of the Seward Highway, so you'll be sharing the road with traffic. Summer is the best time to cycle this route, ensuring clear roads and optimal viewing conditions. Parking is generally available in Girdwood, and you can plan your return or arrange a shuttle from the Portage Lake area.

Beyond the stunning views, this route offers a chance to see local wildlife like moose and bald eagles. You'll also pass historical sites such as the Portage Town Ruins, a ghost town impacted by the 1964 Alaska earthquake, adding a layer of historical intrigue to your ride. The destination, Portage Lake, is a captivating glacial lake nestled within the Chugach National Forest, providing a powerful sense of the region's geological forces.