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Alta Lake Trail

Winema National Forest, Oregon · 3 min read

Distance
5.2 mi
Elevation Gain
1,000 ft
Difficulty
moderate
Route Type
Out-And-Back
Best Season
July through October
Est. Time
3-4 hours
Dog Friendly
Yes
Kid Friendly
No
Difficulty Score
5 / 10

Trailhead Amenities

Restroom
None
Parking
Free
Cell Service
No Signal
Water
Nearby
Camping
Dispersed

Conditions, regulations, and fees change frequently. Verify with the local ranger district before your trip. Full disclaimer

At a Glance

  • Quiet alpine lake near the Oregon-California Cascade border
  • Mountain hemlock and red fir forest on the approach
  • Good trout fishing with minimal angling pressure
  • Near the southern terminus of the Sky Lakes Wilderness
  • Views toward the Klamath Mountains from the upper trail
lakeviewswildflowerswildlife

Overview

Alta Lake in Winema National Forest occupies the southern fringe of the Sky Lakes region, where the Cascades approach the Oregon-California border and the forest transitions from the Douglas fir country of the central Cascades to the mixed conifer zones of the southernmost range. The small lake sits in a mountain hemlock and red fir forest that feels distinctly different from the lodgepole and hemlock typical of the northern Winema.

The trail is straightforward and the lake is quiet: a combination that makes this a good choice for those seeking a Cascade lake experience without the competition for parking and campsites that characterizes the more-publicized Sky Lakes destinations. Fishing pressure is minimal and the wildlife activity around the small lake basin rewards patient observation.

The Route

The trail begins at the trailhead and climbs through the mountain forest, following a creek drainage in the lower section. The gradient is consistent without severe steep sections. The lake is reached at the end of the climb, sitting in a modest basin with good shore access in multiple directions.

What to Expect

The southern Winema area sees minimal visitor traffic. Self-reliance is important here. The trailhead has no facilities. Carry all water and supplies needed. The access road may require a high-clearance vehicle in places. The lake surface is fully exposed to afternoon wind, plan rest stops on the leeward shore.

Nearby

The Sky Lakes Wilderness Trail begins from different trailheads to the north and provides access to the larger lake basin area. The Sky Lakes South Trail provides an alternative approach to the southern Sky Lakes from the same general area. Klamath Falls remains the nearest full-service city for all Winema hiking.

Leave No Trace

This trail receives enough use that following Leave No Trace principles is important for preserving the experience for future visitors. Stay on the marked trail to prevent erosion. Pack out all waste. Avoid camping within 200 feet of water sources or the trail. Use existing fire rings only where campfires are permitted, and check current fire restrictions at checking conditions before you go before any visit. The trail and surrounding terrain remain in good condition because previous visitors have respected these norms.

Safety Considerations

The moderate rating reflects the trail's general character under typical conditions. Weather, seasonal snow, and trail conditions can change the experience significantly. Carry the 10 Essentials on any full-day outing. Inform someone of your plans and expected return time before heading out, particularly on longer or more remote trails. Cell service varies throughout Winema National Forest and may be unreliable in canyon bottoms or remote terrain.

Trailhead Parking

Alta Lake Trailhead off Forest Road 37 south of Klamath Falls. Gravel lot with room for 8 vehicles. No fee.

More Trails in Winema National Forest

moderateout-and-back

Brown Mountain Trail

7 mi900 ft gain
May through November

Hike the Brown Mountain Trail in Winema National Forest, Oregon. This moderate 7.0-mile out-and-back traverses a young lava flow on the flank of Brown Mountain with views toward Mount McLoughlin.

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moderate-hardloop

Mountain Lakes Wilderness Trail

17 mi3,200 ft gain
July through October

Backpack the Mountain Lakes Wilderness Loop in Winema National Forest, Oregon. This moderate-hard 17.0-mile loop circles a collapsed volcanic caldera with multiple high lakes in one of Oregon's smallest wilderness areas.

3 min read

moderateout-and-back

Old Crater Trail

5.8 mi1,100 ft gain
June through October

Explore the Old Crater Trail in Winema National Forest, Oregon. This moderate 5.8-mile out-and-back visits an ancient volcanic crater with views over the Klamath Basin and access to obsidian deposits.

3 min read

strenuousout-and-back

Pelican Butte Trail

7.6 mi2,700 ft gain
July through October

Summit Pelican Butte in Winema National Forest, Oregon. This strenuous 7.6-mile out-and-back climbs to an 8,036-foot summit with a historic fire lookout and panoramic views over Klamath Lake and the Sky Lakes.

3 min read

moderateout-and-back

Sky Lakes South Trail

9 mi1,800 ft gain
July through October

Hike the Sky Lakes South Trail in Winema National Forest, Oregon. This moderate 9.0-mile out-and-back approaches the southern Sky Lakes Wilderness from the Klamath side, reaching a cluster of alpine lakes on the Cascade crest.

3 min read

moderate-hardout-and-back

Sky Lakes Wilderness Trail

16 mi2,800 ft gain
July through October

Backpack the Sky Lakes Wilderness Trail in Winema National Forest, Oregon. This moderate-hard 16.0-mile out-and-back explores a chain of alpine lakes on the Cascade crest between Crater Lake and Mount McLoughlin.

3 min read

easyout-and-back

Westside Trail

6 mi200 ft gain
April through October

Hike the Westside Trail along Upper Klamath Lake in Winema National Forest, Oregon. This easy 6.0-mile out-and-back follows the western shore of Oregon's largest lake through rare marsh and canoe trail habitat.

3 min read

Frequently Asked Questions

How difficult is the Alta Lake Trail?
The 5.2-mile out-and-back is rated moderate with 1,000 feet of elevation gain. The consistent but not severe grade makes this one of the more manageable hikes in the southern Winema area. Most hikers complete it in 3 to 4 hours.
Is Alta Lake good for fishing?
Alta Lake is stocked with brook trout. A valid Oregon fishing license is required (as of 2026). The remote location means limited fishing pressure and generally good catch rates. The lake is small enough to cover with a short cast from multiple access points.
When does the Alta Lake Trail open?
The trail is typically accessible by early July. The access road opens in late June in most years. Check with the Klamath Ranger District for current road and trail conditions before visiting.
Is the Alta Lake area part of the Sky Lakes Wilderness?
Alta Lake is at the southern edge of the Sky Lakes Wilderness area. The trail approaches and the lake itself are on national forest land outside the formal wilderness boundary, though the character is consistent with the wilderness terrain to the north.