Welcome to the Red Umbrella Inn, a cherished 4-season resort on Twelve Mile Lake, part of the sought-after 3-lake chain with Little and Big Boshkung. Sitting on 3.5 acres of level, pie-shaped land with stunning southern and western exposures, this property showcases unforgettable sunsets and a private sand beach tucked into a sheltered bay. A large multi-slip dock at the waters edge provides excellent access for boating, fishing, and enjoying all that this pristine lake chain offers. The Main Inn features a chefs kitchen, a BBQ area on the lakeside patio and on the kitchen deck, plus an inviting lounge with a full bar. The completely renovated dining room is complete with an open stage area to host performers and offers breathtaking lake views, with seating extending to the licensed lakeside patio and grounds, making it an ideal venue for weddings, retreats, and entertainment events. Accommodations are varied, providing flexibility for guests and future opportunities for growth: 5 comfortable rooms above the Inn, 4 lakeview motel-style units, 2 cozy cottages, 3 lakeside cottages (2 with efficiency layouts), 4 additional efficiency suites & a renovated owners quarters within the Inn. Since 1929, the Red Umbrella Inn has been known for clean, comfortable stays, delicious dining, and exemplary service. This is a rare opportunity to own a piece of Haliburton Highlands history perfect for those seeking a lifestyle change, a thriving business investment, or the potential for a private family compound. An additional adjacent lot across the road is included, currently used for parking but offering excellent highway frontage on Hwy 35. All just minutes north of Minden, in the heart of cottage country and year-round tourist activity.