Perched on the southwest edge of the city, this tiny extension of Boulder Mountain Park offers some of the city's most photo-worthy vistas. Originally established in the late 1800s as a verdant ...

If you have extra time, The Flatirons is worthwhile. These jaw-dropping rock walls flanking Green Mountain have become the symbol of the city, with many Boulder businesses sporting their image as ...

Boulder’s Open Space and Mountain Parks Department has announced that Flatiron Freddy — the city’s stuffed, top hat-wearing yellow-bellied marmot — will return this Sunday to make his ...