Tucked neatly into the foothills past Flagstaff Mountain, you’ll be amazed you haven’t been to this beautiful water body since you’ve been living in Boulder. Gross Reservoir has 10.9 miles of shoreline and it’s totally not gross. I visited the place last weekend, driving up the backside from Coal Creek Canyon. As soon as we came around a bend, the reservoir was visible sitting under hills and mountains. Clouds hung overhead, and the dark water reflected the surrounding hills. It was pretty epic looking! We took turns going out on a stand up paddle board on the still water.... Read More