City SpasSt Julien Hotel & Spa

St Julien Hotel & Spa is a four-star, four-diamond Boulder, Colorado hotel with iconic views of the Flatirons in a casually elegant setting. The Spa at St Julien features every treatment and indulgence imaginable. Discover signature treatments based on Colorado’s indigenous plants and elements that you won’t experience anywhere else. Relax, renew and re-energize in this one-of-a-kind spa, all provided in a soothing, tranquil atmosphere.