The Fern Creek Trail is a 3.0-mile trail that runs out and back. It begins at an elevation of 9329 feet and ends at Little Ruby Lake, which sits at an elevation of 11210 feet. The highest point of the trail is 11,266 feet. The total ascent on the Fern Creek Trail to Little Ruby Lake is 2033 feet, with a loss of 152 feet. Use the Hiking Time Calculator to estimate your trip time.