Lineham Falls in Alberta lies deep within Waterton Lakes National Park and is reached by a moderate trail that follows Lineham Creek through dense forest and open alpine meadows. The hike ends at a dramatic viewpoint where twin streams plunge more than 100 metres down a sheer cliff face. Along the way, you’ll pass wildflowers, mountain peaks, and glimpses of the valley below, making it one of Waterton’s most rewarding half-day hikes.