For a full-body workout that tests the mind as much as it does the body -- and also happens to be a lot of fun -- consider rock climbing. There are more opportunities to do it than ever before, too, with several indoor facilities that cater to the vertical workout popping up throughout the city over the past five years. Here are five climbing gyms where you can reach new heights:

The Cliffs

There’s not much you won’t find at The
There’s not much you won’t find at The Cliffs in Long Island City, one of the city’s newest indoor climbing spaces. At 30,000 square feet of climbing and bouldering terrain, it’s also one of the largest in the country, too. Group and private climbing instruction is available for kids and adults, along with corporate team building programs. There’s even a retail store for stocking up on gear. Try: Climbing 101: Intro to Indoor Climbing, $49 (includes day pass and gear rental); 11-11 44th Dr., Long Island City, 718-729-7625, thecliffsclimbing.com (Credit: The Cliffs)

Steep Rock Bouldering

As the name implies, this six-month-old East Harlem
As the name implies, this six-month-old East Harlem facility is for bouldering only, meaning all climbing is done without ropes. The gym features a 14-foot-high climbing wall and lots of small group classes and private training for adults, along with kids’ programs and a weekly group clinic just for women. Beginners also have the option to sign up for the new “Beginner Mondays” class — a 30-minute introductory session for first-time climbers. Try: Bouldering Basics, $30 (includes day pass and gear rental), 1506 Lexington Ave., 212-410-7070, srbnyc.com (Credit: Steep Rock Bouldering)

The Sports Center at Chelsea Piers

In addition to 11,000 square feet of climbing
In addition to 11,000 square feet of climbing and bouldering splendor — which the sports complex claims to be one of the most challenging in the country — the Sports Center at Chelsea Piers recently debuted its new Treadwall. The contraption is a sort of vertical treadmill with climbing grips that allow users to keep climbing without getting too far off the ground (perfect if you’re not crazy about heights). Group and private instruction is available for all levels. Try: Open Climb, $60; Pier 60, 20th Street and Hudson River Park, 212-336-6000, chelseapiers.com (Credit: Scott McDermott)

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Everyday Athlete

This Brooklyn Heights gym incorporates its 17-foot bouldering
This Brooklyn Heights gym incorporates its 17-foot bouldering wall into many of its small group classes. Starting in mid-July, gym-goers can sign up for the new FOCF class (Functional Optional Climbing/Combat Fitness) — a hybrid option that incorporates climbing and CrossFit-style functional training with martial arts, combat sports and obstacle courses. In addition, parents will appreciate the gym’s various programs for kids, including the Family Open Climb on weekends. Try: EA BetaMax, $38.50 for first-timers; 130 Clinton St., Brooklyn Heights, 718-852-6300, everydayathlete.com (Credit: Brian Kennedy)

Brooklyn Boulders

One of the first dedicated climbing gyms in
One of the first dedicated climbing gyms in New York City, Brooklyn Boulders offers a soup to nuts instructional program that caters to all experience levels. The gym’s signature Peak Performance Program includes a series of eight classes that range from an introduction to top-roping to training techniques for climbing strength and endurance. Try: Learn To Boulder, $45; 575 Degraw St., Park Slope, 347-834-9066, brooklynboulders.com (Credit: Brooklyn Boulders)