Indoor Activities in Denver
Denver's best indoor activities include Movement Climbing + Fitness RiNo ($25 day pass), Carla Madison Recreation Center ($7 drop-in with pools and fitness), Washington Park Recreation Center, and Gates Tennis Center indoor courts.
6 places · 1 free · Updated Oct 2026
The iconic amphitheatre's 315 steps across 69 rows are one of the most popular free workouts in Colorado. Runners and fitness enthusiasts climb the stairs year-round with 145 feet of elevation gain from stage to plaza at 6,450 feet above sea level. The Trading Post Trail is a 1.4-mile family-friendly loop, and the full Red Rocks Trail offers a 6-mile loop with 1,300 feet of gain. Stairs are closed during concerts and events.
Denver's flagship recreation center opened in 2018 with a competition lap pool (8 lanes, 25 yards), leisure pool with lazy river, gymnasium with basketball and volleyball courts, weight and cardio rooms, group fitness studios, cycle studio, and an outdoor climbing wall. Month-to-month adult memberships start around $31. Drop-in rates available.
A 40,000-square-foot climbing gym in the RiNo Art District with nearly 200 boulder problems for all levels, lead and top-rope walls, fitness areas, and yoga classes. Shares a building with Improper City (cafe, food trucks, beer garden). Day passes are $29; 7-visit passes available for $182. Shoe rentals extra.
A Denver Parks public outdoor pool with an Olympic-sized swimming area, a regular swim area, and a children's splash area. One of Denver's most popular summer pools. The outdoor season typically runs early June through early August. Drop-in rates start at $3.50 for adults. Free for kids under 3.
Denver's premier public tennis and pickleball facility, named Tennis Industry Magazine's Municipal Facility of the Year in 2016. Pay-as-you-play with no residency requirements. Features both indoor and outdoor courts, league play, clinics, and private lessons. Court fees are among the most affordable in the metro area.
A Denver Parks rec center in the heart of Washington Park with an indoor pool, gymnasium, weight room, and fitness classes. Drop-in rates are affordable and monthly memberships start under $31 for adults. The surrounding park offers a 2.6-mile crushed-gravel jogging loop around two lakes, open fields for pickup sports, and a flower garden.