Tonga Ridge, Mount Sawyer, and Mount Finn border Alpine Lakes Wilderness above Fisher Lake. The former overlooks Deception Creek Valley to the east. Meanwhile, the latter marks the ridge’s western high point above Foss River.
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Tonga Ridge and Mount Finn at a Glance
Access: NF-6830/310
Round Trip: 11.3 miles
Elevation Range: 3840′-5596′
Gear: snowshoes, microspikes
Route Info: Redwic on SummitPost.org
GPS Track: available
Dog-Friendly: yes
The Preface
The two times I ran into car problems on the way to a climb, both were on Tonga Ridge. Our first attempt in the dead winter resulted in a losing fight with slush. But thanks to a group of offroaders who dug us out of the mess.
Then four years later, the SUV became stuck in the snow en route to Mac Peak. After hours of digging with an ice ax and Ann’s help, we turned around and went to Mount Sawyer. Today, I was happy not to drive in the snow.
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Foss River Road (NF-68) to Tonga Ridge Trailhead
The bumpy drive was long as I remembered. The one big rock on Road 68 was passable from the side; otherwise, it’d be a deal breaker. The windfall with a smashed trunk near the starting point on Road 6830 was also avoidable.
Continuous snow started right before the 6830/310 fork. I walked with microspikes for traction but soon switched to snowshoes as the snow softened. We reached the trailhead after 1.5 miles of an uneventful stroll in the clouds.
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Tonga Ridge Trail
Beyond the trailhead was a dry path before snow soon showed up, where we started scrambling. From the crest, we followed the trail until it faded into the snow. Then we walked past the fork to Mount Sawyer on dry ground.
We were able to follow the summer trail despite the snow en route. Beyond the meadow, the path was snow-free until below Tonga Ridge’s west saddle. Then we left the beaten path and scrambled up to the west ridge.
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Traversing the West Ridge
Because of the snow, traversing the crest was smooth and straightforward. In turn, it spared us from contending with outcrops en route. But we missed seeing Beckler Peak and the neighboring Mount Sawyer on this cloudy morning.
We went out into the clearing from the first ridge bump, and soon we were by the second knob. Before long, we were near the forested summit in significantly reduced visibility. Just past the trees was an opening facing the east.
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Tonga Ridge Summit Views
Views, what views? There was none! We would likely see Surprise Mountain and Spark Plug Mountain across Deception Creek Valley on a good day. So we only lingered a few minutes before leaving in the whiteout.
An open area below the top had big rocks along the edges. Views there would likely include Shroud Mountain and Terrace Mountain when clear. I’d perhaps even see Mount Daniel and Mount Hinman behind them.
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Outro
Even though Mount Finn wasn’t on the plan, we paid a quick visit. So back at the meadow, we took the steep incline to the southeast ridge. Then we walked up to the peak with Mount Sawyer’s ghostly silhouette behind us in the mists.
Other than retracing our steps after a pitstop, we didn’t make any more stops. It was a cold day, with temperatures ranging from the mid-30s to mid-40s. Then we enjoyed a quiet 1.5-mile walk back to the car.
See more trip photos here.