The Erma Bell Lakes loop is a wonderful 8.5 or 10.4 mile loop featuring many lakes and waterfalls, perfect for those seeking a quiet day hike or an easy backpacking trip on the west side of the Three Sisters Wilderness.  ​The trail starts at Skookum campground and right away you will see a sign with a few different hiking trail options. Whichever hike you pick here, you must first hike 0.67 miles until you come to the Otter Lake and Erma Bell Lakes junction. If you take a left here you will have a chance to see Otter Lake and then make another split to Irish Mountain. If you want to do the Erma Bell Lakes loop, continue on trail #3563 to the right.