Trinity Alps Traverse

The Trinity Alps are a spectacular subrange within the Klamath Mountain Range in northwestern California. At the core of the Trinity Alps is section of high, white granite peaks known as the White Trinities. These mountains are impressively rugged and due tot their geographical location, they contain elements of the Cascade mountains to the north (lush vegetation) and the High Sierra to the south (pristine granite).  Topping out at just over 9,000 feet, the height of the Trinity Alps is not impressive when compared with the Sierras, but their higher latitude and proximity to the Pacific Ocean allow for significant winter snow accumulation and the existence of a few small glaciers. The largest of these cirque glaciers is immediately below Thompson Peak and due to the dry winter was virtually all bare ice with many active crevasses. I climbed Thompson Peak early in the season in 2009 finding substantial snow above Canyon Creek Lakes. On that trip I admired the long serrated ridge between Thompson Peak and Mount Hilton. Four years later I decided it was time to return to do this amazing traverse and climb the three named summits on the ridge – Mount Hilton, the Wedding Cake, and Thompson Peak. Strava route here. Complete photo album here.

I started out the day by ascending the Canyon Creek Trail which has some nice runnable sections. Once I ascended into a flat meadow area it seemed as if there was a tent at every corner (along with illegal fires). Labor Day weekend is a busy time for the Canyon Creek drainage, easily the most heavily used area in the Trinity Alps. Fortunately, once I left Boulder Creek Lakes I would see nobody until the summit of Thompson Peak. Solitude can be found in the Trinities even on the busiest weekends, but don’t expect to have Canyon Creek Lakes to yourself!  The ascent to Boulder Creek Lakes from the junction with the Canyon Creek Lakes Trail is on fairly rugged, steep trail but it’s less than 2 miles to the lakes from the junction. Boulder Creek Lakes are tiny but they are situated in a beautiful granite basin with Sawtooth Peak as a backdrop. From Boulder Creek Lakes it’s over 3,000 feet up to the summit of Mount Hilton. Surveying the slopes, my primary objective was to avoid thick brush which seemed pervasive on the lower part. My routefinding was pretty effective as I was able to pick my way through steep slabs instead of brush. Eventually, the terrain opens up with alp meadows and easy talus climbing toward Mount Hilton’s class three summit block. Once on the summit of Mount Hilton, I was greeted to a lovely view of the surrounding area, including the traverse to Thompson Peak, Sawtooth Peak across Canyon Creek and Mount Shasta in the distance. Descending from Mount Hilton, there was one uncertain section to cross a cliffy barrier into the next drainage. I found a loose ramp that was perched over cliffs that worked but looking back a route further down the ridge might have been an easier and faster way through this barrier.   

Once past the barrier, I worked my way up to another shoulder and then an awesome “granite highway” section ensued for 2+ miles. This section is stunning with rugged unnamed peaks and spires towering above on ridge crest and sweeping views of the pristine granite slopes to Canyon Creek Lakes below. The smooth white granite is interspersed with grassy meadow benches and small cascading streams, a delightful setting. I traversed over the ridge crest at a saddle south of the Wedding Cake and used a class 3 chute on the northwest side of the Wedding Cake to climb this rock formation, which has more amazing views. After the Wedding Cake I descended a little lower and found easy traversing on granite benches to Thompson Peak and then picked a route further to the west that I knew would be on more solid rock and faster than the sandy slopes on the south side of Thompson. In fact, it took only a little over a half an hour to reach Thompson Peak from the Wedding Cake. The views from this last summit of the day, and highest point in the Trinity Alps, were marvelous. I enjoyed the scene with a group who had ascended via a camp at Canyon Creek Lakes. The descent from Thompson Peak to Canyon Creek Lakes was spectacular with inspiring views the entire way, especially looking back up towards the traverse I had just completed. While Canyon Creek Lakes are popular, they are a beautiful spot with granite slabs coming down the lake shore and excellent views of the Wedding Cake and Thompson Peak up the Canyon. After Lower Canyon Creek Lake I jogged most of the way back to the trailhead. Next time I’m in the Trinities I hope to possibly include Caesar Peak in the traverse or climb Sawtooth Peak across the Canyon. Either way, I will definitely be returning since the Trinity Alps Traverse was an amazing route!  Strava route here.

2 thoughts on “Trinity Alps Traverse

  1. Some friends climbed in the Trinity Alps when they were young and I know they liked it, but this looks amazing. It reminds me of the Wallowas a little bit. Great photos. I need to get down there!

  2. Pingback: 2013 Adventure Recap | Leor Pantilat's Adventures

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