[riverc0il]

Earliest I have been up is April but as David Metsky mentioned, the ravine can be skied during the winter with full avi gear and training pending appropriate conditions. Personally, I would rather be riding the lifts than going into potentially, perhaps even likely, dangerous terrain with strong avalanche risk. That just isn't my thing but lots of people with the right gear and training do it regularly and often find good conditions. The Sherburne and Gulf of Slides Ski trails are excellent ways to get a taste of the experience during mid-winter with hardly any risk.

If you are curious about options from the West side of the mountain, Time For Tuckerman often has some reports. Though those options are much more remote and more challenging from a backcountry perspective unlike Tuckerman (backcountry by definition but not by experience) and Gulf of Slides. If you have done Tuckerman and want to branch out a bit more, GoS is a good starting place to get a feel for backcountry on Mount Washington and then you can go from there.

I go frequently during the spring so let me know when you are heading up! Just post here or on T4T and you'll find someone on almost any given weekend to hook up with. Heck, get up there this weekend! Why wait until next year? Still plenty of snow.