The Rimwall Summit in Alberta, Canada is a challenging 3.9-mile out-and-back trail near Canmore. It's a popular spot for hiking and snowshoeing, offering stunning views of the Three Sisters and surrounding mountains. The hike starts off easy but gets tough once you hit the scree slope - be prepared for a steep scramble to the summit. Good footwear and poles are a must, and take your time to enjoy the rewarding views at the top. Just watch out for those tricky trail markers and multiple paths that can lead you astray!