The three alpine lakes sit inside a glacial basin carved out over thousands of years of slow, patient geological work. The ...

As a teenager in Colorado’s Roaring Fork Valley, Annalise Grueter could not believe the order of her cross country team coach. “We were going to be hiking/jogging a (13,000-foot mountain) for training ...

Some of Colorado's most popular trails require permits to manage visitor numbers and protect fragile ecosystems. Hanging Lake near Glenwood Springs operates under a mandatory reservation system. No ...

Even as temperatures start to drop with the approaching fall, there’s nothing like cooling off during a strenuous hike with a cold plunge in a high-altitude lake. Colorado offers many an adventure, ...

Colorado’s alpine lakes make for stunning destinations for hikers. While summer is the easiest time of year to reach the trails, winter has a special allure. Sunlight dances on ice, snow covers the ...

Colorado’s best fourteeners with the most sustainable hiking trails, across different ranges, with relatively solid rock up to summits over 14,000 feet. Eighty million years after continental plates ...

Getting your Trinity Audio player ready... Editor’s note: This is part of The Know’s series, Staff Favorites. Each week, we offer our opinions on the best that Colorado has to offer for dining, ...

A wide footbridge over Boulder Brook leads to the Sprague Lake Loop Trail, a 0.7-mile, hardpacked dirt and gravel trail in Rocky Mountain National Park near Estes Park, perfect for wheelchairs, ...