Tonga Ridge / Mount Sawyer
Snowfields to cross and icy sections
9 this month · 68 reports
Central Cascades
Reports from 2026-09-26 indicate intermittent snow and downed trees on the Tank Lakes trail, though the road remains suitable for all vehicles and bugs are not an issue. Earlier in the season, conditions were mixed. On 2026-09-19, the trail was snow-free and in good condition with no bugs reported, though parking could be crowded. 2026-08-19 brought reports of overgrown sections, difficult stream crossings, and mud/rock slides, but also noted the trail was snow-free with manageable bugs. In mid-July, the trail presented significant obstacles including downed trees, overgrown areas, difficult stream crossings, and extensive boulder fields. Snow was present in some areas in early and mid-July, but was generally passable. Bugs were also noted as an annoyance in mid-July.
Generated from 23 trip reports. Trails change faster than reports do, so check anything you’d turn around for.
Generated from the most recent trip reports, newest 1 month ago. Check anything you’d turn around for.
No trip reports on this trail in 1 month, so everything below is at least that old.
As of 2026-09-26, there are intermittent snow patches and downed trees across the trail. However, the snow is not difficult to cross, and the road access is suitable for all vehicles.
In mid-July, the East Fork Foss River crossing was described as a difficult stream crossing, requiring hikers to take off shoes and ford the river. Reports from 2026-07-14 also mention a creek crossing that was passable up to the knees.
Yes, multiple reports from mid-July and late August describe extensive boulder fields and overgrown sections, particularly in the higher alpine areas and after the East Fork Foss River crossing.
On 2026-09-19, parking lots were full by 9:30 AM on a Saturday, with cars lining the road. Another report from 2026-07-25 noted very crowded parking by 12:30 PM on a Saturday.
Snowfields to cross and icy sections
9 this month · 68 reports
Bees near the upper falls, watch out
6 this month · 166 reports
Fall colors are peaking, enjoy a unique view
6 this month · 77 reports
Lake level is very low, revealing extensive shoreline
5 this month · 114 reports
Lingering fall color, tunnels to explore
5 this month · 57 reports
Rocky, wet, and washed out sections
4 this month · 202 reports
Trail notes generated from recent reports. Conditions change fast.
Did the necklace valley high alpine route as a two day overnight. Started from west fork foss - trail is in great condition and fall colors starting to emerge all the way up until Bigheart lake after ...
What an epic trail! From the rolling ups and downs along the Foss River to the otherworldly boulder fields to the stunning views of Chimney Rock--wow! We hiked up to Emerald Lake on Saturday, up to Ta...
After reading trip reports about the loop hike from the West Fork Foss to the Necklace Valley trailheads, I decided the challenge of the traverse is beyond my comfort and skill set so I opted for some...
The trail up into the lakes basin can be divided into two distinct and very different sections- before and after the East Fork Foss River crossing.The 5 miles before the crossing is very easy and very...
Overnight trip 8/15-8/17. We took the Alpine Lakes High Route over Iron Cap and camped at Chetwoot Lake and Tank Lakes. This was a challenging trip that we'd been looking forward to doing for a while,...
Loop from West Foss TH to East Foss TH via Iron Cap Lake (we went around Iron Cap Mtn not over it)One sketchy spot east of Iron Cap Lake. See your slope angle map. You traverse a chute steeper than 60...
Alpine Lakes High Route – Tank Lakes TraverseWe left the West Fork Trailhead at 6:30 AM and headed out under mostly cloudy skies with occasional light rain. The hike to Big Heart Lake took about four ...
If anyone finds my black diamond (gray/aqua) trekking pole up necklace valley, right before the cabin if coming down from tank lakes, I would love to pay you to ship it to me and then some! Please mes...
Started at Necklace Valley Trailhead at 7:15. First 4.3 miles before the East Foss River were more up and down than I had anticipated, several downed trees but all passable. Bummed we went before WTA'...
A stunning day on the Alpine Lakes High Route with a hike/run loop from the West Fork Foss River TH, up to Iron Cap and Tank Lakes, and then returning along the Emerald Necklace Valley to the East For...