Atlantic Peak  
Condition Updates  
Route: West Ridge
Posted On: 2021-04-10, By: jwin17
Info: Beautiful blue bird day. Winds picked up once you gained the ridge, and only got worse as you summited, but nothing necessarily overbearing. Snowshoes not needed this morning and everything was still firm for the descent. A couple post holes, but nothing that would warrant the burden of snowshoes. Spikes and ice axe will be enough. 
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Route: V couloir
Posted On: 2021-04-09, By: macg91
Info: Started at the Quandary TH. Continuous snow from there onward. Climbed and skied the V couloir. A few inches of powder from earlier in the week made for pretty good ski conditions. Was able to ski continuously back to McCullough Gulch TH, then had to skin back up the road. 
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Route: West Ridge
Posted On: 2021-03-09, By: 2020DD74_summit
Info: Backpacked in to camp on the slope below the pass. I was post holing to upper thighs in places with a heavy pack. Maybe if you are day-packing it, you will be fine. I was too whipped, so we camped and then trekked back across the deep snow in the gulch to come back out in the morning. Looks fun if you can get across the deep snow easily. 
Route: West Ridge
Posted On: 2021-01-17, By: pbergmaier
Info: I'd consider it still "early" winter conditions. The road up to the gate by the mine cabins is hard packed, we walked it with just boots. Flotation is needed just beyond the cabins through the willows and up to the base of Atlantic's west ridge. We stashed our snowshoes there and continued up the ridge proper on very thin, windblown snow only partially covering the scree and grass underneath. We booted it up, although I threw on my microspikes and thought it helped a little. The snow was a bit deeper along the narrower sections of the ridge higher up. No big cornices, but definitely a few wind slabs in some spots. We didn't need any flotation along the ridge. There was one slightly dicey section crossing angled, hard-packed snow, about 50 ft long, just below the "crux" of the route at 13,300' that is described in Bill's route description. Going up that section, I only used my spikes, but on the descent I put on my crampons and felt much more secure. We all had our ice axes and agreed an axe was helpful to have for that one section as well. A fall there off either side would probably require a self arrest. Too windy to spend much time on the summit. There really isn't anywhere up there right now to seek shelter. Again, still not a ton of snow at this point, but definitely enough to warrant bringing all the necessary winter mountaineering tools for a few spots. Also had good views of Pacific and Fletcher, both of which looked quite bare on the west side. We didn't get a good view of the east side due to clouds. 
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Route: West Ridge
Posted On: 2020-12-20, By: bmcqueen
Info: Nailed the last fall 2020 summit on this one today. Whoever wants a blue snowflake tomorrow will be treated to a fresh trench. Wore snowshoes across the willows. Once to the ridge, it's a mix of rock and snow. 
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Route: West Ridge
Posted On: 2020-12-15, By: CaptainSuburbia
Info: The Mayflower Gulch Road was well packed to the 4WD parking. We put snowshoes on here and trenched through fresh snow to reach headwall. The headwall was a mix of talus and deep snow pockets so kept snowshoes on until reaching the ridge crux which required a class 3 move to get over. Wore crampons from there to summit. Lots of deep snow to trench along the entire ridge. 
Route: Southeast Slopes
Posted On: 2020-11-06, By: benmangelsdorf
Info: Some snow throughout, but nothing really all that bad yet. The headwall gulley has a fair amount of snow right now but it can pretty much all be avoided. 
Route: West Ridge
Posted On: 2020-09-24, By: dhagan
Info: Dry. 
Route: West Ridge
Posted On: 2020-08-05, By: Barnold41
Info: Good stuff. Snow free. Summit to myself. Quandary was busy. 
Route: Northeast Slope
Posted On: 2020-07-19, By: flagship47
Info: dry conditions all the way until you reach about 13000, then the standard route has a snowfield blocking it. Estimate it will be several weeks before this is melted out. Tried to climb near light colored rock band to the south and quickly became a Class 3 exposed hike. Scree field to the SW of the route may be the only way to go right now without crampons/ice axe. 
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Route: West Ridge
Posted On: 2020-07-12, By: bangerth
Info: Perfect conditions all the way up. The only spots that aren't dry are the willows in the valley when you leave the road at the mine and make your way over to the gap between Atlantic's West Ridge and Mayflower Hill, and a spot high on the ridge where one has to walk what used to be a 50 ft long cornice; we walked right on the crest, which seemed safe and avoided the alternative (the steep north side of the snow field). Otherwise dry all the way to the top, as well as when going over to Pacific. 
Route: West Ridge
Posted On: 2020-06-21, By: little_castaldo
Info: A couple snowfields early in the basin; solid in the morning, but postholing 3+ft on the way down (but maybe 10 minutes max, no need for snowshoes). No snow on the ridge proper or summit. Ascended Pacific west ridge and descended Atlantic west ridge. Used the snowfield leaving the ridge on the descent for a nice, short glissade 4WD drive to Boston mines is open; road was easy/moderate for a stock jeep wrangler. 
Route: West Ridge
Posted On: 2020-05-31, By: 2aron
Info: Road covered with snow after a few 100 feet from gate. Definitely recommend snow shoes for crossing the field. 
1
Route: West Ridge
Posted On: 2020-01-12, By: bangerth
Info: The road from the highway to the mine is packed down hard by skiers and hikers, and can be traveled without flotation or traction. At some point, a snowshoe track goes branches off to the left and goes more or less straight into the gap between the Atlantic West ridge and Mayflower Hill. The track should now be in great condition and can probably be traveled with just boots by now. The difficulty is how to get onto the ridge. We came down a different way than we went up, and there were also a couple of ski tracks, so the track branches shortly before tree line a number of times. On the way up, we stayed pretty much at the south edge of the ridge's end, which is somewhat windblown with some rocks exposed, but quite steep at ~45 degrees. It was a difficult way up. On the way down, we stayed further to the north, which has deeper snow at 30-35 degrees. Neither route struck me as particularly safe. The actual ridge is very difficult with mixed rocks and in parts deep snow. It's also rather steep. Given the brutal conditions (wind chill around -20F or below), we only made it to ~13,060ft. One of us went a little further and reported hitting a large cornice that seemed impossible to traverse. 
Route: West Ridge
Posted On: 2019-12-31, By: Yikes
Info: hard packed up the road with all of the ski traffic. trench up west ridge. unconsolidated snow on the upper ridge made it less than enjoyable with lots of knee deep. low traverse across east plateau and then up to pacific was in good condition. tried for crystal, but ran out of steam (and running out of daylight), so dropped from the saddle (not from Pacific West) and laid a long trench back past the start of Pacific W. 
1
Route: Northeast Slope
Posted On: 2019-10-21, By: Sglm14
Info: Did Pacific west ridge to Atlantic. Full on winter condition. Microspikes were necessary. 
1
Route: Northeast Ridge (from Pacific Peak)
Posted On: 2019-09-21, By: supranihilest
Info: Easy but long and loose. There's about 500 feet of elevation gain from the saddle to the summit, and getting down off the ridge bumps in the middle is probably the steepest and "hardest" part. The climb from the saddle is easy since it's low angle. Nonetheless, lots of potential ankle breakers on this one so be careful with your footing. 
Route: West Ridge
Posted On: 2019-09-09, By: cloudkicker
Info: A tiny bit of lingering snow on the ridge nearby the route, but not on the route. The route is dry all the way from Mayflower Gulch Rd to summit. 
Route: West Ridge
Posted On: 2019-09-03, By: E_A_Marcus_949
Info: 50 yards of willows are a fun bush-wack with some mud. Enjoy that! There is a decent trail after that around Mayflower hill and along the creek. Lots of rock hopping all the way up to the summit. Some snow near the 13,300' crux - you'll have to go mostly up ridge proper rather than skirting to the left. Can still keep difficulty at 2+ but option for more if wanted. 
Route: Northeast Slope
Posted On: 2019-08-17, By: dcsheldon
Info: Hiked Atlantic Peak and Pacific Peak from the McCullough Gulch trailhead. The headwall at the end of the basin is still snow covered. If you are going to hike in the snow you'll need crampons and ice axe. It is steep. We avoided the snow by going to the climbers right of the snow field. This required some class 3 scrambling but do-able. It was probably 150 ft of snow we needed to get past. In some places I was able to hike between the snow and the rock wall. In other parts we scrambled above the snow. 
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