OPBscience environmentBackcountry Huts Draw Skiers Into A 3-Day Three Sisters AdventureBy Ian McCluskey (OPB)Sisters, Ore. Oct. 10, 2018 4:45 p.m.Three beginning skiers take on a 22-mile trek through the Three Sisters backcountry. A unique hut system makes this three-day trip attainable, safer and certainly more comfortable.Tags: Science & Environment, Environment, Local, Nw Life, Recreation