Denver Nordic Spa FAQ
General Questions
ROK is the only Denver Nordic spa with five cold plunges spanning 37°F to 55°F — the city’s widest temperature range — paired with Denver’s largest sauna (194°F, seats 40), a eucalyptus steam room, and warm thermal soaks. Everything you need for a full contrast therapy circuit is under one roof in Denver at Union Station. Walk-ins welcome. Mindbody named us 2025 Best Wellness Brand.
ROK SPAS brings an approachable yet luxurious Nordic bathhouse to Denver. Here, we draw directly from Swedish traditions to offer a full spectrum of wellness practices. Inside, you’ll find a custom-built sauna and steam room, along with cold plunges and thermal soaks. Together, these experiences help you rejuvenate, recover, and relax — in body and mind.
We offer four core services, and each one targets a different therapeutic benefit:
- Plunge — Step into our cold plunges to stimulate circulation and revitalize the body.
- Soak — Next, ease sore muscles and joints in our warm, mineral-rich thermal baths.
- Steam — Breathe deeper in our aromatic steam room, which clears the airways and calms the mind.
- Sweat — Finally, unwind in a traditional Swedish sauna that relieves stress, boosts circulation, and fosters communal bonding.
Together, these four practices form a complete contrast-therapy circuit.
No — in fact, ROK SPAS welcomes both beginners and experienced wellness enthusiasts alike. Whenever you have a question, our staff will gladly guide you through the experience.
You can book through our website, the Mindbody app, or by calling us directly. While we do accept walk-ins, we strongly recommend booking in advance — especially on weekends and during peak hours.
We do accept walk-ins, but to ensure availability, we highly recommend booking your session in advance.
You can cancel up to 2 hours before your session online or via the app. Phone or email cancellations are not accepted. For unlimited members, a $20 fee applies to no-shows. Single-session or class pass holders will forfeit their session without additional fees if cancellation is made less than 2 hours before the scheduled time.
Yes, we offer a variety of membership options with exclusive benefits such as discounted services, priority bookings, and access to members-only events. We also have a referral program that rewards you for bringing in new guests.
Service Clarifications
The sauna uses 2 dry sauna heaters with electric heating elements which helps relieve stress and improve circulation. The room is heated to the maximum permitted temperature of 194 degrees on the top bench, while the two lower rows are designed to naturally decrease in temperature by about 10 degrees each. The room is kept very dry at between 15-25% humidity.
The steam room uses a 48 kw electric steam generator to maintain the room temperature between 110-125 degrees and nearly 100% humidity. This helps with detoxification, respiratory health, and overall relaxation.
Cold plunges can help reduce inflammation, boost circulation, speed up muscle recovery, and improve mental clarity. They are especially beneficial for athletes and individuals seeking enhanced recovery methods.
We recommend spending 10-15 minutes in the sauna or steam room, followed by a brief 1-3 minute dip in the cold plunge. You can repeat this cycle for maximum benefits, but always listen to your body and adjust accordingly.
Contrast therapy alternates exposure to hot and cold — typically a sauna round followed by a cold plunge — to boost circulation, speed muscle recovery, and sharpen mental focus. At ROK SPAS, we structure each visit around this Nordic ritual, so you can move fluidly between heat, cold, and rest in a single session.
While both orders have their place, most people get the deepest benefit from sauna first, plunge second. The sauna opens your circulation and warms the body, and the cold plunge then locks in the recovery effect by triggering a flush of fresh, oxygenated blood. After plunging, rest for a few minutes — then repeat the cycle two or three times for the full contrast benefit.
Denver’s largest. Our authentic Finnish-style cedar sauna heats to 194°F and seats 40 guests across three benches — the top bench at full temperature, the middle and lower benches stepping down by about 10°F each. The room is kept at 15–25% humidity for traditional dry-sauna conditions.
Wellness and Safety
Cold plunges are generally safe for healthy individuals. However, if you have certain medical conditions such as heart problems, respiratory issues, or circulatory disorders, please consult your doctor before using the cold plunge.
We recommend consulting your healthcare provider before using these facilities if you’re pregnant, as heat and cold exposure can affect pregnant women differently.
Yes, ROK SPAS is reserved exclusively for adults aged 18 and above to ensure a peaceful and tranquil atmosphere.
If you’re new to cold plunging, start in the 55–60°F range and stay in for just 30 to 60 seconds. As your tolerance builds, you can drop the temperature into the upper 40s and extend to two or three minutes. The goal isn’t to suffer; instead, focus on slow nasal breathing and step out the moment you feel calm and in control.
Practical Details
Swimwear — it’s required in all shared areas. You’re welcome to bring a water bottle (hydration stations are onsite) and sandals for walking between amenities. Complimentary towels are provided and we sell swimwear in case you forget yours.
Note: Clothing is NOT optional at ROK SPAS. We ask that all guests wear swimwear to ensure a comfortable environment for everyone.
Our sauna, steam room, and cold plunges are communal and co-ed. However, private changing rooms, showers, and restrooms are available for your comfort.
Yes, we offer private changing rooms and showers for all guests.
Yes, we provide secure lockers to store your items while you enjoy your ROK SPAS experience.
Yes, There are nearby public parking garages and ample metered street parking. Additionally, we are just footsteps from Union Station.
You really only need a swimsuit, a refillable water bottle, and an open mind. We provide towels, robes, and sandals, so you can travel light. Because Denver’s altitude amplifies the dehydrating effect of heat therapy, electrolytes are also a smart add.
ROK SPAS is at 2025 17th Street in Downtown Denver, two blocks from Union Station. We’re a short walk, or ride from RiNo, Highlands, Five Points, the Ballpark district, and most of central Denver. Public parking garages and ample metered street parking are nearby.
Plan 90 minutes for a complete contrast therapy circuit. That gives you time to move through two to four full rounds — heat, cold, rest, repeat — without rushing. First-time guests can do a shorter 60-minute session if they prefer; experienced plungers and members often stay 2 hours.
Weekday mornings and early afternoons are quietest. Weekday evenings (after 4 PM) and weekends are busier, especially Saturday afternoons. Walk-ins are always welcome, but on busy days booking ahead through the website is recommended. We’re open every day from 8 AM to 9 PM.
Sauna Etiquette
In keeping with Nordic tradition and to maximize your ROK SPAS experience, we recommend that all guests use our showers before enjoying the spa. Showering helps cleanse the body and prepare your skin and mind for the heat and cold therapies, ensuring a more refreshing and rejuvenating experience.
To maintain a focused and restorative environment, we ask that conversations be kept at a low volume. Speaking softly allows all guests to stay centered on their recovery and wellness goals, free from distractions.
Yes — swimwear is required in all communal areas, including the sauna, steam room, cold plunges, and soaking tubs. We sell swimwear in case you forget.
Hydration is key to performance and recovery, especially in heat-based therapies. We recommend drinking plenty of water to support your body’s recovery process while enjoying our sauna, steam, or cold plunge sessions.
For the comfort and privacy of all guests, we ask that phones remain in the locker provided. ROK SPAS is a space for relaxation, free from digital distractions. If you need to use your phone, please do so in the designated check-in area.
Note: ROK SPAS is not responsible for damage to any electronic device exposed to excessive heat or moisture.
Yes, ROK SPAS is proud to offer a non-smoking environment. Please leave your e-cigarettes, vape pens, and any tobacco or cannabis-related products at home. This helps us maintain a clean, fresh, and healthy atmosphere for all guests.
To maintain a peaceful and considerate environment for all guests, we ask that physical contact be kept to a minimum. Please be mindful of others and respect each other’s space.
Events and Special Offers
Yes, we host private events, corporate wellness days, and group bookings. Please contact us for more information on availability and pricing for private or group sessions.
Group sessions and workshops can be booked directly through our website or by contacting our customer service team. Early booking is recommended for larger groups.
Yes — we host full spa buyouts for corporate retreats, team off-sites, and private events in Denver. Our team will work with you on programming, timing, and any food or beverage needs, so your group gets a turnkey wellness experience. To start planning, reach out to hello@rokspas.com or call 720.769.0838.
