Snowmass Mountain

Route: East Slopes
Posted On: 5/10/2026, By: Christensenje
Info: Skid the East slope.

Log jam is low and easy to cross. Snow starts just after the last switchback above the log crossing. Lake was still frozen and we skinned across in the morning/skate skid across after the ski.

Skid perfect corn all the way down to the lake. (Pic attached)

Could gain the ridge higher up and able to connect snow on the backside to the summit with crampons on. 

Route: S Ridge
Posted On: 1/20/2026, By: ROPjason
Info: Summited via the "S Ridge." There is a cat track to Crystal. Snowshoes needed all the way to the base of the "S Ridge." Did not use crampons on the ridge or descent of West Slopes. Doubtful the trench lasted long. 

Route: West Slope
Posted On: 1/1/2026, By: paulbarish
Info: Awesome conditions on Snowmass and North Snowmass! I was able to drive about a mile past marble in my Subaru forester to a proper parking spot but it was a bit spicy. I was on skis and the snow was consistent enough to skin after about half a mile. I broke trail and didn’t see signs of anyone after the crystal mill. (Until the way back an ATV or something had driven up to crystal). The avy prone spots on the road were not loaded. I set up camp just before the Geneva Lake headwall and there were good water sources nearby! One just before the trail junction 2 min from camp and one on the headwall. Awesome! The headwall is partially exposed trail. Snow was stable everywhere except for some hollowness and loading on eastern wind catching slopes which I mostly avoided. I climbed the spur on the west face near the standard route and skied from 13,400’. Best skiing I’ve had on a winter 14er! I could have taken the skis a bit higher but I was tired and looking forward to ditching them. Also it got rockier up there. The Capitol snowmass traverse looked awesome but I didn’t have time before this next storm. The summit block on Snowmass is cool! And the traverse to north snowmass is short but has some scrambling for sure. Going through Crystal at night alone was spooky 😬 I wish this storm wasn’t guna come so someone could use my tracks but next time! These were my winter 14er solos #73 and 74 out of 75! I try to avoid the cringy internet spraying but I’m just excited to share and who better than to tell this community! That’s partially what this platform is for! Haha Most people here seem cool and stoked! ❤️ Happy New Year! 

Route: View from North Maroon
Posted On: 10/23/2025, By: WillRobnett
Info: View from North Maroon 

Route: S Ridge (Lead King Basin)
Posted On: 10/10/2025, By: EvanKBlack
Info: Forecast stable conditions after several relatively warm days = seized this chance before winter weather rolls in for real. LKB is superb right now--excellent color, still, and a very quiet area and approach. We were the only ones camped Weds. night at Geneva Lake and saw only 1 other person summiting Snowmass Thursday 10/9 (from the E. Slopes). Slightly concerning morning cloud cover + very small flurries led to a very short summit stop. Ridge has good, grippy, and largely solid rock. It can definitely give you multiple c4 lines if you make it so, but there are workarounds (usually on looser rock).

Routefinding straightforward on climb as you can see Snowmass summit from Geneva Lake. Slightly more complex routefinding on descent (we went down a loose gully just south of the West Slopes descent, then cut over when our line was obviously going to cliff out in a small waterfall before the scree slopes east/above the Siberia Lake outlet stream.

Some patches of snow and a little ice, but mostly avoidable. Did not use any traction. That is likely to change with weather this weekend.

We did not get far on the road up from Marble to Crystal; the initial hill may be one of the harder sections. There were numerous big puddles and the shelf road is pretty narrow in parts. A few rock garden type obstacles too. Approach with 4WD, good clearance, and patience. Traffic to see Crystal Mill means odds are good you can hitch a ride up/down even on a weekday. 

Route: East Slopes
Posted On: 9/28/2025, By: Bonesaw
Info: First off there's brand new signage everywhere, looked like it had been installed a week ago. However there's no sign for the log jam crossing. The only hint that you need to cross are three sticks laid down on the path indicating that you need to make a right turn. The path around the lake is overgrown and not maintained. The path up from the first boulder field deteriorates around the time you want to cut across the water dripping down the rocks to get to the path that goes into the tundra. From there I recommend the same thing tjknight mentioned which is to take the stable red rocks as far as you can then do the notch route. Avoids hundreds of boulders. The route has a very small amount of snow near the notch, it was melting into the mud and made things slick. Other than that it was a great day to be out. Took me around 15 hours car to summit to car 

Route: West Slope
Posted On: 9/11/2025, By: cyrrus
Info: Full summer conditions. Went the wrong way at the wooden post juncture in the dark. You want to go left. Pretty much no signage at any point and many social trails near Geneva Lake. The Snowmass trail merges with the camp 5 sign trail. Past Geneva Lake, the trail is quite narrow to none. Several times, it seemed to just end. The grassy knoll area was quite wet with a stream running through it which led to a couple of sketchy moves on wet rock. Once past this, cut left instead of going directly into the gulley. Going up, honestly did not feel the rock was that loose and it was grueling but not bad. Gained the ridge too far left and it was quite narrow with a massive drop on the other side. Moved over climber's right of the ridge to a pile of rocks with a large boulder with a distinct point which led to one exposed class 3 move to the summit. The exposure was more significant than I expected and I looked around for alternative routes and found nothing better. Going down, rock was crazy loose especially towards the top, slipped at least 10 times ugh. Would bring GPX for sure. Rock in the middle and climber's right of the gulley is extremely loose. 

Route: West Slope
Posted On: 8/5/2025, By: Piotr
Info: The rock on this route is fairly solid granite, not your typical Elks crumble. The gully does have lots of loose rocks and small boulders that are ready to slide and roll. One of the climbers yesterday dislodged small boulder and resulting rockfall went all the way through the gully and down to the base. Definitely wear your helmet. I was glad to be climbing on the right side of gully where nobody was above me.
There is trail from Small Gem Lake through talus all the way to the grass patch, and there is cairned path through steep part above grass. There are also path sections up the left side of the gully that are cairned as well.
Upper road took about an hour to drive with all the berms. There was RAV4 and Rivian at Geneva Lake TH. 

Route: East Slopes
Posted On: 8/9/2025, By: seannunn
Info: Full blown summer conditions on the east slopes. Pretty much zero snow unless you go looking for it. From pictures I don't think this happens every summer. There isn't really a trail to speak of up what is normally the snowmass, because it is normally buried 365 under snow!!! There are some cairns however. Rock is probably a little more solid than the Bells, Pyramid, etc. If you don't know how to climb on snow (like me) but want to get Snowmass in, now is your chance.

Take the low trail around the lake from campsites to the gray talus. It is pretty straightforward. We tried the "high route" and wasted an hour and 500' of upclimb and then downclimb. 

Route: West Slope
Posted On: 7/29/2025, By: ColoNativeGal
Info: Summer conditions. Any remaining snow patches can be completely avoided. The grass patch to enter the west gully is wet, which makes it a little slippery, but can be done with care; you will get a little wet. While the gully appeared straight forward, the route finding was a little more challenging than I expected. It was obvious where we needed to go, but picking a nice line that was somewhat "solid" was the hard part. There are lots of social trails, and it's hard to see the cairns as you're climbing up. Finding the correct line to get onto the ridge, was also a challenge. We followed a more class 4 crack up to the ridge, but on the way back we probably found the true class 3 route. The GPS kept bouncing us all over the map so it was hard to see exactly where we were compared to the GPX route. I thought going up and down the gully would be faster than going up the S ridge and down the gully, but I'm not sure that would have been the actual case. We had great weather, beautiful area. The lakes are gorgeous and the wildflowers were spectacular. They might be gone by this next week, just depends on the weather/wind. Saw deer, goats, marmot and pika. See TH condition report for 4w road info. 

Route: East Slopes
Posted On: 7/30/2025, By: tjknight
Info: Long time lurker first time poster! My crew backpacked in to the lake Saturday afternoon (26th) and had wonderful weather all weekend. Left camp for our summit push at 5:30am on the 27th. We quickly got turned around in the bushy mess on the south side of the Lake. Once you cross the creek at the iconic viewpoint of the Lake, the trail soon splits into 3 directions. We took the route that was nearest to the lake shore, which was mostly fine, but the middle option was the easiest we found on the return.

Once we began ascending, we had an easy time crossing the creek (below the AllTrails route as others have said). From here, we were unsure whether we wanted to go standard or more-direct route. I was unsure if the notch would be too difficult in summer conditions without the snow to act as a stepping-stone of sorts. We decided to gamble and go for the notch, which was completely doable and fun class 3 scrambling. This saved us at least an hour compared to the standard route. Once we got to the ridge, it was a quick scramble to the summit.

I was worried the lake -> summit portion of the hike was going to be a lot more loose and difficult than it wound up being. I thought it compared a lot more to Long's boulder field than the marbles-on-top-of-dinner-plates loose dirt and rock that I have heard people describe climbing Maroon. Certainly plenty of large loose boulders, but we had not issues staying upright and found poles really helpful to test rocks before putting our full weight on them.

GPX file is uploaded to my account. On the way down we took the more northern path. We found incrdibley smooth and stable rock formations that made for a surprisngly easy descent much of the way down. Look for the brown/red rock and take this both ways! That paired with the direct route made for an easier morning than we expected.

Times:
TH -> Lake: 4 hours
Lake -> Summit: 4 hours
Summit -> Lake: 2 hours
Lake -> TH: 3 hours

19/58. Cheers! 

Route: East Slopes
Posted On: 7/24/2025, By: dakotasmama
Info: Long but gentle increase in elevation for the first 6 miles, excellent trail, and very pretty. The 2.5 miles just before you reach Snowmass Lake are a steady climb of a little over 1,000 feet so it makes it feel like you might never get there. The sign designating where camping reservations are required is just past 7 miles, well above the log jam. There are over a dozen large, flat campsites scattered around the east end of the lake. The trail to the west end is fairly easy to follow but very overgrown in many places so anticipate a lot of branches in your face. I wouldn’t bother starting much before dawn for this particular peak because trying to locate the small cairns to navigate the boulder field is incredibly difficult in the dark. I didn’t cross the stream soon enough (as mentioned in photo #16 in the route description) and ended up climbing the steep scree, then having to cross the creek as it ran over steep, slippery rocks above. I ended up stopping at just past 9 miles and waited until sunrise. There is virtually no snow right now, so once you leave the lake, the entire hike to the summit is going to be a scramble. There are very few cairns and since the pictures in the route description were all taken when the snow mass was present, they are unfortunately not helpful. It was not my intention but I ended up taking the More-Direct Variation on my ascent, and stayed to the right in the cornice to make use of handholds to scramble up the steep scree. There are a lot more cairns once you reach the ridge and cross over to the west side, with two cairned routes, one closer to the ridge crest than the other. Most of the rock was stable or quickly identifiable as loose, but once the loose rocks move they create a nerve-racking domino effect every time. When I reached the summit it was was socked in by low-lying clouds so disappointingly I couldn’t see more than 10 feet in any direction. It is a very small summit with A LOT of exposure on the east (lake) side, so be very careful for the last 50 feet or so or your approach. With the dense cloud cover I didn’t want to take any chances on my descent so I kept my navigation app open and referenced it the entire way back below the ridge. If I had to do it again I would have retraced the shorter, More-Direct Variation. Honestly, if I had to do it again in summer conditions I would take the West Slope - I know it’s not recommended because of the large, loose rock for the last 2,000 feet but I don’t see how it could be any worse than the large, loose rock for the last 3,000 feet on the standard route. I left my campsite at 3:30am and didn’t get back until 1pm - over 9 hours to hike 6 miles. I don’t know what the qualifications are to differentiate route-finding “extreme,” “high” or “considerable” but without snow, this route made Maroon Peak look like a walk in the park (and it’s ranked “extreme.”) Hiking 14’ers is my most favorite thing to do and I HATED every minute of that 6 miles. Thank God for the beauty of the lake and the wildflowers or the entire hike would have been an exercise in masochism. 

Route: East Slopes
Posted On: 7/19/2025, By: doeeth
Info: The snowmass is basically gone, and the route while doable, is basically a big endless scree field without any actual route. I did experience tons of class 3, and few class 4 moves. I would not recommend summit into snowmass via the east slopes under these conditions unless you like boulder hopping. The snow that does remain would be useless to bring microspikes or crampons for, as it’s very soft in places to the point of post holing although is occasionally supportive if you’re lucky. Round trip from snowmass lake was nearly 10 hours, so do not take this route lightly. I also was attacked ferociously by mosquitos once I passed the creek/around the lake and began the descent back to the trailhead. The log jam is easier if taken more directly from north/looker’s right rather than the far left/south as suggested by all trails. Log jam was very doable, and while the whole route was doable, the descent was much less pleasant than the ascent. Overall not terrible, but definitely the toughest of the 44 14ers I’ve done so far. Very glad to have this in the books. Went too far past the creek on the initial gravel-y headwall and got into dangerous loose terrain, try your best to stick close to the creek at the initial rocky section on ascent and descent. 

Route: East Slopes
Posted On: 10/28/2025, By: elliebeauchamp
Info: One day ascent, left the trailhead around 4am and got back to the trailhead a bit before 6pm. The ascent up the boulder field had minimal snow but was long and had much of the elevation gain, and the summit was fairly exposed. We descended through the notch/cornice on the left side of the summit and glissaded down with an ice ax before rejoining the standard route. Very fun but long day! 

Route: West Slope
Posted On: 7/9/2025, By: johnfegy
Info: Climbed the West Slope today. Started all the way in Marble at 4:00 am and hiked the 7 miles to the Lead King trailhead along the lower Crystal Mill road. The hike from Lead King to Geneva Lake is a bit overgrown in places but fine. The ascent up the slopes was nearly snow-free and I was able to avoid any that was hanging around. I went up on the right side of the gully making things a bit slow/tricky. On the descent I went on the left side and there is a cairned path for a lot of it that was much easier. The long hike back to Marble was hot. On a personal note....this was my last 14er and I had the mountain to myself! (58/58)