The Erma Bell Lakes Trail offers one of the best no-permit wilderness lake experiences in Willamette National Forest, reaching three mountain lakes in the Three Sisters Wilderness without the Central Cascades permit that controls access to the more famous Pamelia Lake and Marion Lake trailheads. The 5.3-mile out-and-back gains 807 feet through lush, mossy old-growth forest to Lower, Middle, and Upper Erma Bell Lakes, each connected by cascading outlet streams. All three lakes are stocked with brook and rainbow trout, making this a popular destination for day hikers with fishing rods alongside those simply looking for a quiet Oregon mountain lake.
The trade-off for the permit-free access is a longer, rougher drive to the trailhead and a much higher probability of mosquitoes from late May through mid-July.
The Route
Miles 0 to 1.5: Forest approach. The trail begins at Skookum Creek Campground and enters the Three Sisters Wilderness almost immediately. The first section travels through dense, mature Douglas fir and western hemlock forest with a lush understory of oxalis, ferns, and wildflowers. The grade is gentle to moderate. The forest here has the characteristic mossiness of the western Oregon Cascades, with nurse logs covered in young trees and a perpetually green floor.
Miles 1.5 to 2: Lower Erma Bell Lake. The trail reaches Lower Erma Bell Lake, the largest of the three. The lake sits at approximately 4,400 feet and is surrounded by forest on most sides. Brook and rainbow trout are present. An informal trail rings the lakeshore. The outlet stream flows over mossy rock in a small cascade just below the lake.
Miles 2 to 2.6: Middle and Upper Erma Bell Lakes. Following the trail upstream from Lower Erma Bell Lake, you reach Middle Erma Bell Lake within half a mile. Middle Erma Bell is the most photographed of the three, with a rocky outlet cascade dropping to the lower lake. Upper Erma Bell Lake is approximately 0.6 miles past Lower Erma Bell and sits at a slightly higher elevation with a more open setting.
Return: Retrace the route to the trailhead.
Loop extension (8.1 miles): Continuing past Upper Erma Bell Lake adds Williams Lake and connects to a forest road loop back to the trailhead. This adds about 3 miles and 400 feet. The full loop takes most hikers 4.5 to 5.5 hours.
When to Visit
Late May through June: The trail opens relatively early compared to higher-elevation destinations, but this is the peak mosquito season. Repellent is strongly recommended and many visitors choose head nets. Wildflowers are at their best in this window.
July (after mid-month): The mosquito pressure diminishes significantly after mid-July in most years. Wildflowers are fading but the lakes are at their best condition and the weather is reliably warm. This is the sweet spot if you want a comfortable visit without intense insects.
August and September: The best overall conditions. Dry weather, low bugs, and comfortable temperatures make this the prime window for most hikers. Fishing can be excellent in the lake shallows in the evening hours.
October through November: The trail stays accessible significantly later than high-elevation permit-zone trails. Fall color in the vine maple understory is excellent through October. The trail is rarely crowded after Labor Day.
What to Bring
- Insect repellent: Strongly recommended from late May through mid-July. Consider DEET-based repellent or permethrin-treated clothing for early-season trips.
- Fishing gear: Brook and rainbow trout are present in all three lakes. An Oregon fishing license is required.
- Water: The lakes provide filterable water. Many hikers carry 1 to 2 liters and filter from the lakes. Individual needs vary.
- Layers: The forest stays cool and damp even in summer. A light fleece is appropriate for morning starts and evening fishing.
- Rain jacket: The western Cascades receive significant precipitation even in summer. A packable rain shell belongs in any pack on this trail.
Practical Details
Trailhead: Located at Skookum Creek Campground, reached via Forest Road 1957 approximately 26 miles southwest of Blue River. The road is gravel for much of its length and suitable for standard passenger vehicles. Allow extra time if driving a low-clearance vehicle. The parking area has a vault toilet. Northwest Forest Pass required for the vehicle.
Permits: No wilderness permit required as of 2026. This trailhead is outside the Central Cascades Wilderness Permit zone. A Northwest Forest Pass is required for parking. Verify current pass requirements at fs.usda.gov/willamette.
Dogs: Allowed on leash throughout.
Cell service: None in this area. Download maps and directions before leaving Blue River or McKenzie Bridge.
Fishing: A valid Oregon fishing license is required to fish in the Erma Bell Lakes. Regulations vary by water body; check with the Oregon Department of Fish and Wildlife before your trip.
Camping: Dispersed overnight camping is permitted in the Three Sisters Wilderness. Camp on durable surfaces at least 200 feet from any water source. No fires are permitted within 100 feet of any water source in the wilderness.
Getting There
From Eugene, take Highway 126 east through McKenzie Bridge to Blue River (approximately 55 miles, about 1 hour). Near Blue River, turn right onto Forest Road 19 (Aufderheide Drive) and follow this road south approximately 25 miles. Turn right onto Forest Road 1957 and follow it to Skookum Creek Campground and the trailhead. Total drive from Eugene is approximately 1.5 to 2 hours.
The access road is generally open from late May through November. Verify road conditions with the McKenzie River Ranger District before an early-season trip, as snow or storm damage can temporarily close forest roads.
Beyond Erma Bell Lakes
The loop extension to Williams Lake adds modest distance and reaches a fourth mountain lake with a similar character to the Erma Bell group. Hikers who complete this loop often rate the Williams Lake section as the quietest and most remote-feeling stretch of the day.
For no-permit hikers who want a dramatically different Willamette NF experience, Iron Mountain on the Highway 20 corridor is roughly a 1.5-hour drive to the east and provides an open ridge environment with wildflower meadows in strong contrast to the dense forest of the Erma Bell area.
Chucksney Mountain is accessible from a trailhead on the same Aufderheide Drive corridor and provides a more demanding ridge hike with panoramic views of the Three Sisters for those ready for a bigger day. The combination of Erma Bell Lakes one day and Chucksney Mountain the next makes a compelling two-day basecamp for those staying in the McKenzie Bridge area.