A true jewel of the Rockies, Emerald Lake is the breathtaking reward at the end of an incredibly scenic trail. Nestled in a dramatic cirque at the base of Hallett Peak and the Flattop Mountain massif, this pristine alpine lake is a picture of mountain perfection. It's an accessible yet awe-inspiring destination that captures the majestic beauty of the park, making it a must-see for every visitor.