Canyon Ferry Lake Living on East Shore Drive. This cabin is located just minutes from Helena and is one of the rare 265 Tracts. The lot is almost a half acre and just a short walk from the lake frontage. Surrounded by Bureau of Land Management Land, Helena National Forest, and Canyon Ferry Lake. The cabin offers unmatchable views of the lake, surrounding mountains, and views of Mount Baldy. Canyon Ferry Lake is 27 miles long and the third largest recreational lake in Montana.