I climbed it in late July/early August several years ago. I took Green Lake Trail from Cascades Lakes Highway. When I approached Green Lakes I headed cross country to Broken Top. This time of year it is my understanding that Cascade Lakes Hwy is closed at Mt. Bachelor ski area. If true, then you might have to cross country ski to approach BT. The whole trip could longer and in snow. I definitely would call to verify Cascade Lakes Hwy access prior to starting your trip. Scott
One option would be a Middle Sister trip via Pole Creek trail, or Broken Top via Pole creek since it ties in with the Green Lakes Trail. Pole Creek Trail seems to open up before Hwy46 by a month or so.