Trying to decide which route on Mt Shasta is best for you?
That can be a tough question for some. While some might not even know there are tons of other routes besides Avalanche Gulch?
We of course are always here to help you decide, and never want to have you sign up for a trip that’s not the right fit. However, when choosing the ‘best’ route
there are some important things you must consider.
Choosing the Right Route on Mount Shasta:
First, you need to know when looking at an attempt on Mount Shasta, you have a wide range of routes to choose from. Each with its own character, challenges, and best season. Picking the right route depends on your climbing experience, goals, fitness, and the type of adventure you want to have. At SWS Mountain Guides, we guide several routes on Shasta (even Shastina – Mt. Shasta’s little sister), each chosen for different skill sets and goals. Below I’ll lay out an overview of the main routes we guide, along with the ideal season, experience level, starting trailhead for each, and a link to some photos of the route.
Avalanche Gulch:
• Best Season: Late spring through early summer
• Experience Level: Beginner to intermediate climbers with strong fitness and basic snow skills
• Trailhead: Bunny Flat
• Photos of Avalanche Gulch
Avalanche Gulch is Shasta’s classic climbing route and the most frequently chosen line to the summit. Typically, we see about 50% of all summit attempts each season on this route. It is physically demanding but technically straightforward when conditions are good, making it a popular choice for climbers attempting their first major snow climb. With reliable snow coverage in late spring and early summer, Avalanche Gulch provides a direct and approachable path for those looking to use basic mountaineering gear while on an attempt to the summit. Though it is also the busiest route on the mountain, it is one of the best routes for learning new skills.
Casaval Ridge:
• Best Season: Winter through early spring
• Experience Level: Advanced climbers with strong crampon, ice axe, and snow travel skills
• Trailhead: Bunny Flat
• Photos of Casaval Ridge
Casaval Ridge is one of the most dramatic and challenging routes on Mount Shasta. Climbers must navigate steep snow, exposed ridges, and technical terrain that requires confidence and more advanced mountaineering skills compared to Avalanche Gulch. This route is best suited for those with previous ice axe and crampon experience, or for climbers to further their skills in preparation for a bigger objective such as Denali, Iztaccihuatl, or Lobuche. While demanding, Casaval Ridge delivers an unforgettable and striking ascent with some of the most unique terrain Shasta has to offer.
West Face:
• Best Season: Mid-to-late season (summer)
• Experience Level: Intermediate climbers seeking a less crowded alternative
• Trailhead: Bunny Flat
• Photos of West Face
The West Face offers broad snowfields and a much quieter atmosphere compared to Avalanche Gulch. It’s one of our favorite mid-season climbs on the mountain. Camps are spacious, and the climb has a more remote feel along with a more consistent grade of incline compared to Avalanche Gulch. It is still physically challenging but less technical than Casaval Ridge, making it an excellent option for climbers who want solitude and a big mountain feel without the intensity of a ridge climb or the crowds of Avalanche Gulch. The West Face is a favorite for those wanting a wilderness experience on Shasta, but who aren’t looking for a glacier climb or who are looking to build/develop their mountain skills.
Hotlum-Bolam Ridge:
• Best Season: Summer
• Experience Level: Intermediate to advanced climbers (with some glacier travel skills recommended)
• Trailhead: North Gate
• Photos of Hotlum-Bolam Ridge
Located on Shasta’s northeast side, the Hotlum-Bolam Ridge is the guide favorite year after year! It’s both scenic and adventurous, has one of the best camp locations of any route, and is never crowded. This route combines glacier travel with airy ridge climbing, offering exposure and variety that appeal to more experienced mountaineers, or those looking to further develop skills in the summer months. With fewer climbers compared to the south side routes, it provides a quieter, more rugged experience. Glacier travel skills can be important here; however, prior experience is not a requirement. The varied terrain, steeper grade, and transitions between snow/ice/rock make this a great choice for climbers seeking to expand their technical ability.
Hotlum Glacier:
• Best Season: Summer
• Experience Level: Advanced climbers with glacier experience or those climbing with a guide
• Trailhead: Brewer Creek
• Photos of the Hotlum Glacier
The Hotlum Glacier route is one of the most technical climbs on Mount Shasta. It involves crevasse navigation, steep snow and/or ice depending on conditions, and the kind of decision-making that requires strong mountaineering skills. It’s a glacial playground and is always changing. It’s not as steep as some other routes, however it’s far more technical and mentally challenging than others. Climbers should be comfortable with rope travel on a glacier, and crevasse rescue techniques before attempting this ascent. For those ready, the Hotlum Glacier offers a serious mountaineering experience found nowhere else in California.
Clear Creek:
• Best Season: Mid-to-late summer
• Experience Level: Beginner to intermediate climbers with good fitness; minimal snow skills required
• Trailhead: Clear Creek
• Photos of Clear Creek
Clear Creek is known as the easiest non-technical route on Mount Shasta. By mid-summer, the climb is mostly on loose volcanic rock and scree rather than snow and ice. While this reduces the need for snow skills, it introduces challenges like unstable footing and rockfall, as well as the need for a strong mental state. Clear Creek is a good option for those looking for a late-season climb with minimal snow travel, or those looking to ‘hike’ Mt. Shasta. Each year, we see many trail runners training on this route, and PCT hikers making a detour for an attempt. Though it doesn’t require any technical climbing, it should be approached with seriousness and planning. It’s a physically demanding route that requires steady pacing on variable terrain.
Finding the Right Route:
Each of these routes highlights a different side of Mount Shasta. Avalanche Gulch provides the classic introduction, Casaval Ridge and the Hotlum Glacier tend to push people’s technical envelopes, the West Face and Hotlum-Bolam Ridge offer much quieter experiences with fewer people, and Clear Creek serves as a more accessible summer route. No route is the “best” across the board, but they’re all unique in character and demands. Making the right choice for you depends on your skills, goals, and the season.
We at SWS Mountain Guides, focus on helping our guests find the right route that fits them for their goals. We offer trips around the world, and a huge variety right here in California. Because of that, we want to help develop guests into better climbers and help them build on skills needed for their goals.
Written By: Caleb Burns