While there are many difficult trails in the Lake District, the Buttermere Lake Circuit is the easiest to complete, but still offers "breathtaking scenery" to see. What is the Buttermere Lake Circuit like? The route takes you all the way around Buttermere Lake, with views of the mountains and surrounding countryside to enjoy. The walk is "perfect" for families who want to enjoy the Lake District’s beauty but want to avoid difficult hills and mountains. Have you completed the Buttermere Lake Circuit before?