Keystone Mountain Info
Keystone Tree Skiing
You can find good patches of tree skiing at Keystone scattered around the resort, but most of the tree skiing is on The Outback.
Where to Ski Trees at Keystone
You can find good tree skiing on either side of Keystone's Outback Mountain. As you are riding up the Outback Express lift you will see several trails heading off to your left (skier's right). Timberwolf, The Wolf Den and the other trails over there all have good tree skiing especially in between them. Some of the trees are a little bit tight and they get skied frequently. You can even find moguls in some of these woods because these ski trails get so much traffic.
Below you can see a view of The Outback from North Peak.
There is also some tree skiing on the North Peak but this is not as plentiful of worthwhile as the tree skiing on the Outback. As you ride the Outpost Gondola, you will also see some tree skiing that you must hike to access. This terrain descends directly underneath of the Gondola and it's steeper than almost everything else at Keystone. It also takes a significant amount of snowfall before these trees are skiable.
The photo below shows some of the woods on the North Peak that have good tree skiing on powder days.

