You are here : Camping > Willow Lake. Willow Lake CABINS are OPEN YEAR-ROUND. CAMPGROUND & YURTS OPEN APRIL 14TH for the 2017 Season. Cabin and Campground Reservations can be made Online or by Phone (541) 774-8183, up to 9 months in advance and a minimum of 15 days in advance of your desired arrival date. Willow Lake, a wooded escape set at the base of Mt. McLoughlin, offers an accessible retreat from the hustle and bustle work week.