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Tronsen Ridge

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Start high, stay high, and enjoy the endless bounty of the wild country between the Cascade Crest and the dry, open deserts of eastern Washington. Tronsen Ridge provides a little of both worlds. Long, dry ridges topped with open meadows and wildflower fields resemble the desert gardens of the Yakima Plateau, but dense stands of fir and ponderosa pine offer up the flavor of the mountains. The glorious meadows and forests atop the long ridge are wonderful playgrounds for wildlands enthusiasts. At various points, Tronsen Ridge grants peekaboo views out to Mount Adams, Mount Rainier, Mount Stuart, and countless other lesser peaks nestled in the eastern Cascades.

The trail heads north through the Upper Naneum Meadow, climbing gradually (a mere 100 feet) in the first 0.5 mile before sloping downward for a slow, soft descent along the ridge for the next 4 miles. The high point of the ridge, a grassy knob 0.5 mile into the hike, provides unmatched views of the eastern Wenatchee Mountains area and beyond.

After leaving this knob, the trail heads into a roller coaster ride to the north, climbing short peaks and ridge knolls, then dropping into low saddles. The net elevation change over the next 4 miles is a loss of 1000 feet.

Many of the ridge's high points are grassy bumps full of wildflowers, while the low saddles often are thinly timbered. Look for wildlife all along the ridge, but especially in the transition zones between forest and meadows.

Editor's Note:
Tronsen Ridge is a motorcycle, horse, mountain bike and hiker trail, but is closed to engines before June 15th and after Oct 15.
Driving Directions:

From Seattle drive east on I-90 to East Cle Elum, exit 85. Cross over the freeway overpass and turn right (northbound) on State Route 970. Turn left (north) on US 97, and drive to Blewett Pass and turn right (southeast) onto Forest Road 9716. In 3.7 miles turn left onto FR 9712 and continue 5 miles to Haney Meadows and the Ken Wilcox Horse Camp. Drive another mile past the camp and, crossing Naneum Creek, find the southern trailhead in the Upper Naneum Meadow at a sharp right-hand switchback in the road. Hikers with high-clearance vehicles can also access the northern trailhead: continue north on US 97 for 5 miles past Blewett Pass, turn right onto Five Mile Road (FR 7224), and drive 3.5 miles to an undeveloped campsite and trailhead.

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Recent Trip Reports

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There are 45 trip reports for this hike. See all trip reports for this hike.
Mount Lillian, Tronsen Ridge — Oct 19, 2011 — Tomas
Day hike
Features: Fall foliage
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With about a half day's good weather forecast before changing time to get in a hike. The golden lar...
With about a half day's good weather forecast before changing time to get in a hike. The golden larches (no not Mickey D's golden arches) were a callin'. I decided to head for Blewett Pass. There was actually fog & clouds in Cle Elum but cleared once I headed up into the hills. I headed for the Tronsen Ridge trailhead but kept going past the large turn in the road. Past Ken Wilcox horse camp the road becomes rutted & a high clearance vehicle is best used. After a mile or so on this road it became better. I drove all the way to the south trailhead for Mt Lillian (#1601). Not much room to park, I just pulled off to the side of the road. Started hiking about 9:15 AM.

Hike heads gradually uphill. A few golden larches at the trailhead but not many more on this section of trail. After a mile or so some large, odd looking, rock formations are encountered. The trail is mostly in forest to that point but there are a few views to the east by the rocks. I took a side path to the summit of Mt Lillian but it is wooded and there are no views. I continued on to a fork w/ the jeep trail from Naneum Meadows & went right toward Tronsen Ridge. There is another fork where the jeep road goes left & the trail goes right & downhill. There is a sign there but no trail name or description. I encountered the first people at this point, 2 hunters on motorcycles. Motorized transport is supposed to be forbidden after Oct 15 & I pointed this out to them. But they were nice guys & we chatted for awhile. They came in further up Hwy 97 & claimed there was no warning signs there. The only animal they saw was a doe. I continued on through more forest but soon a few views of Mt Rainier to left & Stuart range straight ahead. I went as far as a viewpoint of Hwy 97 which was about 3 miles in on Tronsen Ridge trail before stopping. Took a short break & before leaving my friends on motorcycles returned. One of them made a comment that I had made it pretty far. I would have made it further with a motorcycle (or maybe not). More larch (Tamarack) trees along this trail but only a few turned yellow, most were somewhere in between. Several nice rocky knobs along trail that can be summitted for nice panoramic views. Larches will probably be at peak in another week or 2. This is my second hike seeking larches (went to Ingalls Lake October last year and I think it is better). Also sounds like they are at or closed to peak further north (by Levenworth or in North Cascades). I saw 2 more hunters on foot on my way back. They said they saw a spike elk and also a large black bear (it was a ways off on a ridge). And yes I did wear a bright orange vest. These hunters I encountered all seemed responsible and not liquored up like you can sometimes run into. All in all trails were in good shape and ruts were minimal. No snow anywhere in area. Returned to car by about 1:30 PM. Put in about 10 miles RT.

On way back to west side, clouds gathering over mts & eventually light rain. I guess Jeff Renner was right w/ the forecast. Great to spend a day on the sunny east side!
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Tronsen Ridge — Aug 19, 2011 — cessford
Day hike
Issues: No water source
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After a bumpy road we drove past the Ken Wilcox Horse Camp and parked out of sight in a shady spot a...
After a bumpy road we drove past the Ken Wilcox Horse Camp and parked out of sight in a shady spot a few hundred yards from road 9712. We could not have driven this short route had it not been for our 4x4 rig. The half mile walk to the top of Tronson Ridge was completely devoid of any bugs--not even the usually ubiquitous flies. Temperatures in the mid 70's made this a special treat. The hike to Mt Lillian was also pleasant and the cool breezes made for a delightful day.
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Tronsen Ridge — Jul 22, 2011 — Diana
Day hike
Features: Wildflowers blooming
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This was one of WTA's suggested snow-free hikes, and as usual, we were not disappointed with the cho...
This was one of WTA's suggested snow-free hikes, and as usual, we were not disappointed with the choice. A little past the horse camp, the road had deep and muddy ruts, so we parked and decided to walk the last mile to the trailhead. After a half hour, we realized we must have missed the sign to #1204, so turned around, and by providence, we met an advocate of the Wenatchee Mountain Coaltion who knew the trails in this area like it was their backyard. We hiked to Mt Lillian and took in the views of the Stuart Ridge, Table Mountain and Mt Rainier Then we went eastward to awesome views of Wenatchee, and to our surprise we could even see the Columbia River. Our new friends went on their way, and we continued on the trail to Tronson Ridge and were greeted by breathtaking views from our lunch spot. The trail back to the road was filled with meadows of flowers with constant views to the South East. Fantastic day! Thank you WTA for a terrific pick!

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Tronsen Ridge, Mount Lillian — Jul 22, 2011 — moth1ne
Day hike
Features: Wildflowers blooming
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So me and my bro left the gloomy weather in Everett to find a hike out east. Tronsen ridge looked l...
So me and my bro left the gloomy weather in Everett to find a hike out east. Tronsen ridge looked like the best bet. FR1916 is in pretty good shape but FR1912 is a bit rough. Though I was in a chrysler sebring so im sure anyone with all wheel drive or even just a little more clearance than my boat would do fine.
 
We parked at the Ken Wilcox horse camp and decided to hike up the road to the TH. We ended up going up the Tronsen Meadow Trail(1205) which turned out to be just fine. We hiked up this 4x4 track for about 1 mile then the views started to pop out. A pretty gradual hike up. At the top of the ridge and the end of that trail some horseback riders steered us down the junction at the top of the ridge toward Mount Lillian.

I wasn't familiar with the trail but they gave us good directions and the route was easy enough to follow. After turning right on to the junction from the top of the ridge we hiked a relatively flat path to another junction at the Mount Lillian trail. We turned left up that trail and continued along with the Wenatchee valley just on the other side of the treeline on our left. We found 2 side trails about a mile from the junction.. And again... GREAT VIEWS! After the brief detour to the edge of the cliff (you'll see) we continued down the Mount Lillian trail which looped us around right back down to FR1912 after a pretty moderate descent through a rocky meadow. (The road is not marked at this junction but it's the only road out here and it's wide enough to not mistake for something other than a road. ) We turned right down the road and had a pretty grueling 3-4 mile walk down the road back to the horse camp (seemed longer). All in all, great hike. Wild flowers are blooming! Balsam Root, a few columbines, marigolds, glacier lilies, skyrockets, lupine.
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Tronsen.jpg
Larch on Tronsen Ridge Trail - Andrew Engelson
Location
Tronsen Ridge (#1204)
Central Cascades -- Blewett Pass
Wenatchee-Okanogan National Forest
Statistics
Roundtrip 8.0 miles
Elevation Gain 1000 ft
Highest Point 5800 ft
Features
Fall foliage
Wildflowers/Meadows
Mountain views
Ridges/passes
User info
May encounter pack animals
May encounter mountains bikes
May encounter motorized vehicles
Northwest Forest Pass required
Guidebooks & Maps
Day Hiking: Snoqualmie Pass (Nelson & Bauer - Mountaineers Books)
100 Hikes in Washington's Alpine Lakes Region, Spring and Manning, Mountaineers Books
Green Trails Liberty No. 210

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Note: the description and driving directions for this Mountaineers Books entry are copyrighted and can't be changed.

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