High Altitude Tennis (HAT) is a junior tennis program that provides fun, positive, and supportive summer camps, group and private lessons, and enrichment programs for players of every age, ability, and level since 2009. Our experienced coaches, led by Owner and Director of Tennis Brent Mazza, use a proven plan built on skill and character development to help students succeed. With a track record of producing champions at nearly every level of competition, HAT is the highest rated junior tennis program in Colorado. Our philosophy is that tennis is a game and must be fun, first and foremost, and we strive to create a supportive and inspiring environment for all our students.