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Mgra Old River Trail

This trail is in the Dredge Lakes area (part of the Mendenhall Glacier Recreation Area) south of Mendenhall Lake. The gradient of the trail is mostly level and the tread is firm glacial gravel. Some sections are underwater during heavy rain events, particularly in the fall. Vegetation is typical of early successional post-glaciation, including willow, alder, and cottonwood with scattered spruce and hemlock. Beavers are particularly active in the Dredge Lakes area. The trail is named for a remnant river channel that was active long ago when the glacier was further advanced and the drainage patters were quite different from what they are now. This trail connects the Moose Lake Trail to the Moraine Ecology Trail.

Current Conditions
Open

Specific Trail Information

Trail Type

Standard/Terra Trail — A trail that has a surface consisting predominantly of the ground and that is designed and managed to accommodate use on that surface.

General Information

1/1

No

Getting There

Directions

From downtown Juneau, travel north on Egan Drive to Mendenhall Loop Road. Turn left to remain on Mendenhall Loop Road at the junction of the loop and Glacier Spur Road (which goes straight ahead). Turn right at the entrance to the Forest Service District office at 8510 Mendenhall Loop Road. Go to the parking lot at the back of the building to access the Weather Service Trail into the Dredge Lake system of trails. Turn left at the T-intersection with Dredge Lake Trail. Take the first right on Moose Lake Trail. At the first intersection, continue straight on the Crystal Lake Trail. At Crystal Lake, go left on the Moraine Lake Trail and follow it along the west side of Moraine Lake, until it T's into the Old River Trail. From here the Old River Trail can be taken left or right.

Additional Information

Operated By

Forest Service

Recreation Opportunities

Last updated June 5, 2025