The Twin Sisters are the closest mountains to those living in Whatcom and Skagit counties, but see the least amount of traffic. For those looking for a truly alpine adventure, the Twin Sisters offer a seemingly endless supply of long, exposed ridges, towers, and summits broken up by small

Vamos a la cumbre! Join us for an unforgettable 10-day guided expedition to climb some of Mexico's most iconic peaks. Your journey begins with two days of exhilarating rock climbing in Peña de Bernal, a striking monolith that soars above the charming town of the same name. Next up

Located one mile north of Eldorado Peak, Dorado Needle stands proudly at the western high point of the McAllister and Inspiration glacier systems. With several classic moderate alpine rock climbs of various lengths available, Dorado Needle is an excellent objective for those looking to challenge themselves in bigger

Eldorado's East Ridge is one of the Northwest's most classic climbs with moderate glacier travel ending in an airy knife-edge summit ridge. Located in the heart of the North Cascades, the views are hard to beat and is a great introduction to glacier mountaineering and climbing moderately steep

Comprised of the Eldorado, Inspiration, McAllister, Klawatti, and North Klawatti glaciers, the Eldorado Icecap is a tremendous volume of ice. The Ice Cap Slam gets you up close and personal with this adventurous and starkly beautiful environment as you live, sleep, and climb for 5 days traversing the entirety

The North Ridge of Mount Baker is a classic technical mountaineering objective and one of the finest alpine ice routes in the Lower 48. Although recent glacial recession has shortened the climbing season, the North Ridge remains a brilliant route in the late spring and early summer. Long stretches

The Easton Glacier is the most direct route up Mount Baker’s southern flank. The scenic approach up the Railroad Grade leads to camp at the toe of the Easton Glacier. From there, the route gradually steepens as it ascends past the active volcanoes crater to a final push up

The Coleman Deming is a varied and engaging mountaineering objective that leads to the summit of Mount Baker, Washington’s northernmost volcano. Climbers ascend the rolling Coleman Glacier and exposed Pumice Ridge before the final climb up the steep Roman Wall to the summit plateau. This classic mountaineering route should

The Pickets are the most rugged, wild, and unexplored region of the North Cascades. With limited access points, steep terrain, brushy valleys, and glaciated peaks, the Pickets Traverse offers a unique challenge to those looking to really “get away from it all.” After getting a few miles from

The Ruth & Icy Traverse is a moderate snow climb with glacier travel known for having some of the finest views in the North Cascades. This long ridge traverse in the shadow of Mount Shuksan gives climbers passage through amazing alpine terrain with two beautiful peak ascents and a

The highest peak in the Olympic Mountains, Mount Olympus towers over Washington’s western shore and the rest of the range. The standard route is one of the most geographically diverse climbs in the Pacific Northwest and moves through stunning and varied terrain. The long approach through old-growth temperate rainforest

Glacier Peak is Washington’s most remote and least summited volcano. Climbing to its summit is a true wilderness experience, complete with hiking miles of trail through old growth forests, crossing ridges and glaciers, and enjoying scenic and peaceful camps deep in the backcountry. The final ascent up the Cool

One of North America’s most sought after alpine challenges, the West Ridge of Forbidden Peak is an exposed and engaging route. Combining glacier travel, snow climbing, scrambling and multipitch rock climbing, you’ll get the full alpine experience as you ascend this world class objective. The summit ridge provides excellent

The Fisher Chimneys is a long, classic alpine route that leads climbers through varied terrain to the airy summit of Mount Shuksan. An unlikely series of moderate features breach Shuksan’s sheer Southwest Face, yielding access to the upper glaciers and summit pyramid where climbers navigate through a maze of

The Sulphide Glacier is a house favorite at Cascade Mountain Ascents. Mount Shuksan is among the most iconic peaks in North America, and for good reason. The Sulphide serves up moderate glacier travel, alpine rock climbing, and amazing camps. The route culminates with a climb of Shuksan’s epic

Not seeing what you’re looking for? Maybe you’ve got a sweet idea, and we can’t wait to hear about it! Get in touch with us and plan your dream alpine climbing trip with Cascade Mountain Ascents.

Vesper Peak is a gem of an alpine rock climb in the North Cascades. With an amazing bivy site at it’s base, 5-6 pitches of technical climbing on solid rock, and a beautiful summit, this is a budding alpinist’s dream. Multiple high quality routes breach the headwall leading directly to

Easy access, expansive views and a prevailing rain shadow make Mount Erie one of Western Washington’s nicest crags. Erie is a great place to cut your teeth on outdoor rock before stepping up to some bigger climbing objectives, or to just get in lots of mileage on fun routes.

The Women’s Kulshan Climb is for women (queer, trans, cis-gendered) looking for a glacier mountaineering experience in an affinity space created for and by women who love spending time in the mountains. Designed to foster inclusivity and accessibility from the ground up, this trip offers a supportive environment for

Learn climbing skills, gain confidence in the mountains, and build community through our women’s mountain mentorship program. We know that competence takes practice and solid partnership is paramount; that’s why we’ve created a season-long course to develop skills over time with a supportive group.

Crevasse rescue is a core skill for glacier travel at any level. Mastery of these skills empowers individuals to travel in glaciated terrain with increased safety margins, confidence, and independence.   The Women’s Affinity Crevasse Rescue course is for women (queer, trans, cis-gendered) aiming to hone their proficiency in this crucial skill.

Crevasse rescue is a necessary skill for glacier travel at any level. Get your glacier climbing career started right with a comprehensive crevasse rescue course. Our two-day program efficiently teaches the necessary skills for dealing with various crevasse fall scenarios, without rushing through practice of these important tools.

Our four-day Glacier Mountaineering Course on Mount Baker is a technical course designed for recreationists seeking a concise and affordable approach to learning technical alpine climbing skills in glaciated terrain. The well scaffolded curriculum is designed to meet students where they are in their understanding of alpine climbing

If you’ve been looking longingly out the window at the gym, dreaming of climbing on some real rock, it’s time to make it happen! Our gym to crag course will show you how to use what you already know from climbing indoors to get outside and start building new