Alaska · Trail 164

Portage Curve Trail

Portage Curve Trail is a 6.3-mile trail in Chugach National Forest, Alaska. The Forest Service rates it trail class 5, fully developed. It is open to hiking and mountain biking.

Trail conditions, closures and hazards are not tracked here. The Chugach National Forest official page carries current alerts and closure orders.

Map

One end Other endLine simplified to about 100 metres. Basemap from the USGS National Map.

One end60.8537° N, 149.0066° W · Directions ↗
Other end60.8442° N, 149.0535° W · Directions ↗

The ends are the two ends of the longest connected chain of segments. The record does not say which is the usual start. The trail is recorded as 3 segments.

The trail

Length6.3 miles, all of it evaluated accessible
Trail class5, fully developed
Typeland trail
Surfaceasphalt
Typical grade0-5 percent
Motor vehiclesClosed to all motorized use year-round
AccessibilityAt least one segment meets Forest Service accessibility guidelines
Trail numbers164
ForestChugach National Forest (unit 1004)
StatesAlaska
Detail publishedmanagement level, with uses

Values are the set across all segments. Class 1 is minimally developed and class 5 is fully developed. Grade and width are the forest's typical values, not measured extremes.

Weather by month

NOAA climate normals →
Weather by month near Portage Curve Trail20°30°40°50°60°January: 13.84 inches of precipitationFebruary: 10.67 inches of precipitationMarch: 9.51 inches of precipitationApril: 12.34 inches of precipitationMay: 11.89 inches of precipitationJune: 7.47 inches of precipitationJuly: 7.24 inches of precipitationAugust: 10.83 inches of precipitationSeptember: 22.82 inches of precipitationOctober: 18.92 inches of precipitationNovember: 16.28 inches of precipitationDecember: 17.49 inches of precipitationJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 21.6°F averageFebruary: 24.9°F averageMarch: 25.7°F averageApril: 35.7°F averageMay: 43.9°F averageJune: 51.1°F averageJuly: 54.4°F averageAugust: 52.4°F averageSeptember: 46.6°F averageOctober: 37.0°F averageNovember: 27.5°F averageDecember: 24.5°F average0 in5 in10 in15 in20 in25 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Portage Glacier V C, 6 miles from the trail midpoint at 103 feet, station USW00026492 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 159 inches a year.

Allowed uses

HikingAllowed 05/01 to 10/31 (month/day)
Mountain bikingAllowed 05/01 to 10/31 (month/day)

A use is listed when the Forest Service records it as managed, accepted or discouraged on any segment. Discouraged still means legal. Uses marked restricted are left out. Where the forest publishes a Motor Vehicle Use Map, that map governs motorized use.

Trailheads

The Forest Service recreation layer records no trailhead within a third of a mile of this trail's line. Many trails start from a road pullout or another trail with no trailhead record. The forest's recreation pages list the trailheads it does publish.

Trails nearby

Camping nearby

Campsite Atlas cards carry site counts and booking links from Recreation.gov. Forest Service cards come from the recreation layer and link the agency page.

Explore

Reference

Questions people ask

How long is the Portage Curve Trail?

The Forest Service records 6.3 miles under this name in Chugach National Forest, the sum of 3 segments. All of it is evaluated as accessible.

Source: Forest Service trail layer

What is allowed on the Portage Curve Trail?

Hiking and mountain biking are allowed. The trail is closed to motor vehicles year-round. Some uses are seasonal. The allowed uses section lists the dates.

Source: Forest Service trail layer

Where does the Portage Curve Trail start?

The line begins at 60.8537° N, 149.0066° W and ends at 60.8442° N, 149.0535° W. No Forest Service trailhead is recorded within a third of a mile of it. The record does not say which end is the usual start.

Source: Forest Service trail layer

Is the Portage Curve Trail in a wilderness area?

No. The trail line does not cross any polygon in the National Wilderness Preservation System layer.

Source: Wilderness Connect

Where can I camp near the Portage Curve Trail?

Black Bear Campground (3.7 mi) and Williwaw Campground (4.1 mi) are within five miles of the trail. The camping section lists all 2 with site counts and booking links.

Source: Campsite Atlas

How developed is the Portage Curve Trail?

Trail class 5, which the Forest Service describes as fully developed. Class 1 is a minimal, unimproved route and class 5 is fully developed, often paved.

Source: Forest Service trail layer

How steep and how wide is the Portage Curve Trail?

The typical grade is 0-5 percent.

Source: Forest Service trail layer

Is the Portage Curve Trail accessible?

The Forest Service has evaluated 6.3 miles of this trail as meeting its accessibility guidelines. The surface is asphalt.

Source: Forest Service trail layer

Who manages the Portage Curve Trail?

Chugach National Forest, Forest Service unit 1004. The trail is in Alaska.

Source: Chugach National Forest official page

Source

This page is built from 3 segments named Portage Curve Trail in the Forest Service TrailNFS_Publish layer, administrative unit 1004. Wilderness overlap is tested against the National Wilderness Preservation System layer from Wilderness Connect. Trailheads and Forest Service campgrounds come from the Forest Service Recreation Opportunities layer. Data refreshed November 12, 2026. The methodology page explains how segments become trails.