I've been wanting to hike to the top of Hallett Peak ever since I found out it was the gorgeous mountain towering above Dream and Emerald Lakes in Rocky Mountain National Park. I first hiked to Dream Lake in 2015, when we spent the weekend in Estes Park after I ran the Loveland Marathon. It's a really nice 3 mile round trip hike, but definitely one of the more crowded hikes in the park. Then again, this past January, I did a winter hike to Dream Lake again, this time also getting up to Emerald Lake (Emerald is just a little past Dream Lake) which was even more stunning and super fun hiking in the snow. Hallett Peak is the left peak towering over Dream Lake. Hiking to Dream & Emerald Lakes in the winter. So, when I got a permit to go into Rocky Mountain National Park on Saturday, July 11th, I decided it would be a great time to try to hike to Hallett Peak. However, as I was researching, it appeared there isn't an actual trail to Hallett Peak - there'