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High Altitude Martial Arts

4.9 ★★★★★ 458 Google reviews · Muay thai gym in Denver, Colorado

Free trial Beginners welcome Kids & teens Private lessons Fitness classes Fight team

Plan your first class

  • Free trial or intro class most gyms welcome new members with a free trial or intro class — check their site or give them a call to book your first session
  • Beginner-friendly all levels welcome, including total beginners — you don't need to be fit or have any experience to start
  • Kids & youth classes kids and youth muay thai classes (ages 4–6) — built around discipline, focus, and confidence
  • Private lessons private, one-on-one coaching available — a focused way to start or to work around a busy schedule; ask about availability and rates
  • Fitness & conditioning muay thai fitness and cardio classes — a serious workout you can do without ever having to spar
  • Sparring & clinch sparring and clinch sessions for members ready for controlled contact — always optional and coach-supervised
  • Fight team a competition team for members who want to test themselves as amateur fighters
  • Today see hours ·
  • Website & schedule highaltitudema.com — book classes and see the live schedule
  • Phone +1 720-747-0731

Hours

Monday 8 am–12 pm, 3:30–8:30 pm
Tuesday 9 am–12 pm, 3:30–8:30 pm
Wednesday 8 am–12 pm, 3:30–8:30 pm
Thursday 9 am–12 pm, 3:30–8:30 pm
Friday 8 am–1 pm, 3:30–7:30 pm
Saturday 9 am–12 pm
Sunday 2:30–3:30 pm

Hours shift for holidays, seminars, and open-gym times — worth a quick check before a special trip.

The classes they run

Muay thai classes on the schedule at High Altitude Martial Arts, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🌱 Beginner Muay Thai 7 mentions

“There’s beginner to advanced classes with wonderful teachers so I would recommend this gym to anyone interested in martial arts.”

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🧒 Kids Muay Thai 18 mentions

“My son’s been training here for several months and has made massive improvements in not only his skills on the Mat, but also his behavior towards his peers.”

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Teen Muay Thai

“So many families, young adults, older adults, teens, kids.”

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🏆 Fight Team 9 mentions

“The owner will have it in automation (very unethical and the 2-3 amateur fighters they have are just for marketing purposes) High altitude has world class fighters.”

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🛡️ Self-Defense

“My daughter's girl scout troop went to a self-defense class at High Altitude Martial Arts and I literally cannot even describe how great it was.”

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Other martial arts here

Muay thai gyms are usually multi-discipline. Here's what else members mention training under the same roof at High Altitude Martial Arts — mined from their reviews and the gym's own info.

🦵 Kickboxing

“Over the past 3 years, HAMA has become my kids second home and the coaches of the youth BJJ and Kickboxing program are our family.”

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🥊 Boxing

“Parents got tired of that skinny young super hyper kid running around everywhere so they handed me to a boxing Coach.”

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🥋 Brazilian Jiu-Jitsu (BJJ) 6 mentions

“Over the past 3 years, HAMA has become my kids second home and the coaches of the youth BJJ and Kickboxing program are our family.”

Other gyms that also teach brazilian jiu-jitsu (bjj) →

🏟️ MMA 3 mentions

“I would highly recommend High Altitude Martial Arts if you are considering getting into mma.”

Other gyms that also teach mma →

Disciplines are mined from reviews and the gym's own info — they show what members have trained, not a formal class guarantee. If you specifically want BJJ, boxing, or MMA alongside muay thai, confirm the current schedule with the gym.

What members say

The things reviewers bring up again and again across 458 Google reviews — in their own words.

🧑‍🏫 expert, authentic coaching 5 mentions

“The youth and adult coaches are far more than their world class fighting resumes, they are amazing and supportive people.”

🌱 welcoming to beginners 11 mentions

“The atmosphere is very welcoming and each coach wants to see you get better and you can come in no matter what skill level you are.”

🤝 no-ego, friendly gym 21 mentions

“The atmosphere is very welcoming and each coach wants to see you get better and you can come in no matter what skill level you are.”

📘 real technique & fundamentals 6 mentions

“The owner of the gym is a former professional fighter who now trains pro fighters, regularly jumps in to teach the youth classes.”

🧒 strong kids program 3 mentions

“Whether you are looking for a kids program, are a middle aged hobbyist like myself, an aspiring professional, or already a pro they got you covered.”

🥊 legit sparring & fight team 11 mentions

“The owner will have it in automation (very unethical and the 2-3 amateur fighters they have are just for marketing purposes) High altitude has world class fighters.”

From the reviews

So after a couple months of sampling the secret sauce at High Altitude Martial Arts and I'm ready to leave my highly critical, no holds barred review. First and most importantly, the kids program is epic.

★★★★★ — Jonny, Mar 2025

Over the past 3 years, HAMA has become my kids second home and the coaches of the youth BJJ and Kickboxing program are our family. The youth and adult coaches are far more than their world class fighting resumes, they are amazing and supportive people. You will get as much out of HAMA as you are willing to invest.

★★★★★ — Mike, Feb 2024

There are levels to martial arts academies and High Altitude is just on another level. I have trained at a number of schools on the east coast and none offer what they do. Whether you are looking for a kids program, are a middle aged hobbyist like myself, an aspiring professional, or already a pro they got you covered.

★★★★★ — Morrison, Aug 2025

After training martial arts in Denver for over a decade. High altitude is one of the most legit ones. All the coaches are super experienced and knowledgeable. It’s the man in the arena. Most of the other gyms rely on systems and marketing to keep the gym running.

★★★★★ — Adam, Jun 2023

Excerpts from public Google reviews. Read all 458 reviews →

New to muay thai? Start at High Altitude Martial Arts

High Altitude Martial Arts comes up as a beginner-friendly gym — noted on their own site. If you've never thrown a punch or a kick, that's exactly who a good beginners program is for. A few things worth knowing before your first week. First, you don't need to be fit to start — you get in shape by training, not before it, and coaches scale the conditioning to you. Second, you won't be thrown into sparring — reputable gyms build fundamentals (stance, footwork, and the basic strikes of the "art of eight limbs") for weeks before any contact, and sparring stays optional. Third, all levels really are welcome — ask about a dedicated beginners or fundamentals class time so your first session is alongside others who are also starting out. Most gyms are happy to let you watch or try a class first, so reach out before you commit.

See their beginner class info

Your first muay thai class at High Altitude Martial Arts

Nervous about walking into a muay thai gym for the first time? Almost everyone is, and good coaches expect beginners to come through the door. Here's what to know. What to expect: a typical first class is a warm-up, then drilling the basics on pads and bags — not fighting. Rest whenever you need to; no one will bat an eye. What to wear: shorts or athletic wear and a t-shirt; you'll train barefoot on the mats. What to bring: water and hand wraps if you have them — many gyms lend gloves for a first class, so it's worth asking when you call. As you keep training you'll add your own gloves, wraps, a mouthguard, and shin guards. Sparring is optional and comes later, once your fundamentals are solid. Arrive 10–15 minutes early to sign a waiver and meet the coach. It gets easier fast — most people feel far more at home by their third class.

Muay thai is a contact sport. Ease in, listen to your coaches, and if you have any injuries or health concerns, mention them before class and check with a doctor if you're unsure.

Where to find High Altitude Martial Arts

8988 E Hampden Ave, Denver, CO80231

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Listing verified July 2026 from public business records and member reviews. Something out of date? Report a correction. Own this gym? Claim your listing — it's free.