WELLNESS

A sanctuary of renewal

Reconnect and restore at our sanctuary of holistic wellness and advanced therapies, set against the breathtaking wilderness of Montana.

Opening Hours

10am – 6pm

Age Requirement

16+ years old

Facility Features

Separate Men’s and Women’s Steam rooms and saunas

Co-Ed amenities including lap pool, outdoor onsen, and outdoor cold plunge

Facility Access

Guaranteed with Spa Service

Resort Guests: 1-hour access subject to Spa availability

Contact Us

Email: Spa.MoonlightBasin@OneandOnlyresorts.com

Phone: +1-406-993-3441

Text: +1-406-500-9240

One&Only Spa

Revitalizing Alpine wellness

Embrace complete restoration across eight treatment rooms, a sauna, steam room, indoor pool open to fresh mountain air, beauty lounge and tennis court.

Wellness reimagined

Signature rituals

Explore immersive rituals crafted to restore, recover and renew, each one a deeply personal journey for body and mind.

Cryo-Detox Ritual

Awaken, detofixy and restore with full-body exfoliation, a warm herbal clay wrap, steam towel ritual, plus cryotherapy and a bespoke massage.

Recovery Ritual

Fusing dry exfoliation, a herbal wrap, scalp ritual and a deep-tissue massage with cold marble stones, this ritual is crafted to ease tension.

Dreamweaver Ritual

A warming wrap, aromatherapy and scalp massage meet Amethyst and Lapis Lazuli to calm, ground and invite deep, restorative rest.

HOT & COLD RITUALS

Contrast therapy

From steam room and dry sauna to cold plunge, heated onsen and lap pool, our mountain-inspired contrast therapies awaken the senses and deeply restore.

Rituals

Bespoke Facials

Discover the latest skincare treatments from the world’s leading beauty experts, each tailored to your needs.

Longevity Rejuvenating Facial by Augustinus Bader

The pinnacle of skin rejuvenation, this next-generation facial features The Elixir by Augustinus Bader and the LYMA Laser PRO to restore firmness, volume and youthful vitality, and deliver long-term transformation.

90 minutes

The Contour Facial by Auteur

A high-performance sculpting ritual that lifts, firms, and redefines facial contours. Lymphatic drainage, refined exfoliation, microcurrent toning, and the LYMA Laser boost collagen and cellular renewal. Corrective serums and cryotherapy complete this radiant, transformative treatment.

120 minutes

Epicutis Signature Men's Facial

A results-driven treatment designed for the specific needs of men’s skin. Deep cleansing, targeted exfoliation, and therapeutic facial massage restore clarity, reduce inflammation, and strengthen the barrier for a firm, refreshed complexion.

60 minutes
90 minutes - Grooming Edition

Longevity Rejuvenating Facial

The Contour Facial

Epicutis Signature Men's Facial

Longevity Rejuvenating Facial

The Contour Facial

Epicutis Signature Men's Facial

Longevity Rejuvenating Facial by Augustinus Bader

The pinnacle of skin rejuvenation, this next-generation facial features The Elixir by Augustinus Bader and the LYMA Laser PRO to restore firmness, volume and youthful vitality, and deliver long-term transformation.

90 minutes

The Contour Facial by Auteur

A high-performance sculpting ritual that lifts, firms, and redefines facial contours. Lymphatic drainage, refined exfoliation, microcurrent toning, and the LYMA Laser boost collagen and cellular renewal. Corrective serums and cryotherapy complete this radiant, transformative treatment.

120 minutes

Epicutis Signature Men's Facial

A results-driven treatment designed for the specific needs of men’s skin. Deep cleansing, targeted exfoliation, and therapeutic facial massage restore clarity, reduce inflammation, and strengthen the barrier for a firm, refreshed complexion.

60 minutes
90 minutes - Grooming Edition

ALPINE RENEWAL

Rejuvenating fitness

Framing panoramic alpine views, our Fitness Studio is a haven for elevated wellbeing, featuring Technogym equipment, a weights room and functional fitness areas.