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Best Hotel Pools in the Boulder and Denver Areas

Summer is in full swing throughout Colorado with temps in the 90’s. While mountain streams and raging rivers may be less than ideal for swimming, Boulder and Denver counties boast a variety of impressive hotel pools that are fun and refreshing. Here are some of our favorites.  

St. Julien Hotel & Spa Pool

This luxury Boulder hotel is a favorite among locals and tourists alike. St Julien Hotel & Spa indoor swimming pool floods with natural light each day and offers beautiful views of Boulder’s foothills terrain. Its spa services are exceptional and the spacious swimming pool is accompanied by a serene hot tub and plush lounge chairs. St Julien’s oasis fosters peace and restoration in the midst of bustling Boulder. 

Warwick Denver

Many consider this swimming pool in the sky to be the area’s best hotel watering hole. The rooftop deck welcomes sweeping panoramic views of Denver’s growing skyline. Plush lounge chairs, large umbrellas, and poolside dining and beverage service create a sanctuary amidst this busy downtown. Spend the afternoon soaking up some rays and dunking in the sparkling waters of this milehigh swimming pool. 

Four Seasons Hotel Denver

Deep blue mosaic tiles line the floor of this luxurious rooftop pool. Its heated waters make it the perfect spot to go for an evening swim while the lush foliage fosters feelings of seclusion and solitude. The five-star hotel often hosts pool side happy hours where guests can mix and mingle poolside on one of the deck’s colorful lounges. 

The Source Hotel 

This newer establishment quickly became a favorite among Denverites. Its market-style dining hall, boutique hotel reel, and rooftop pool deck are packed on weekends. The hot and cold plunge pools create an inviting space regardless of the weather. Guests can enjoy sipping a cocktail poolside, munching on tasty eats from The Woods’ menu, or meeting locals who also enjoy a relaxing day at the pool. 


A truly luxe hotel pool, HALCYON is the perfect place for a staycation or pool day. Private cabanas are available by reservation, or hang on the plush lounge chairs, cocktail in hand. The rooftop views feature both Denver’s skyline and the Rocky Mountains. As evening temps begin to dip, make your way over to the hot tub for a relaxing soak. 

Colorado summers make us forget the winter blues and its beautiful cities of Boulder and Denver provide the perfect spots to soak up some additional sunshine. These hotel pools host pool nights, afternoon happy hours, and spa days that make for a staycation to remember. 

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