Achenkirch am Achensee, Austria · 50 min from Innsbruck · Adults-only spa hotel
Posthotel Achenkirch
An adults-only Tyrolean house at Lake Achensee whose spa is split across water, sauna and a subterranean temple.
Adults only, eighteen and over, seven thousand square metres, and a subterranean Far-Eastern zone called the Sunken Temple with a Room of Silence, a salt dome and two saunas named after dragons. It is a serious building for people who want to be left alone.
The Yin-Yang pool is the signature: two interlinked circles, one at seventeen degrees and one at thirty-four, textile-free, designed for Kneipp alternation. Two outdoor brine pools at different salinities. An ice grotto at around five degrees with an indoor Zen garden.
Sixty hours a week of supervised movement and relaxation — yoga, qigong, breathwork, meditation — and five hundred square metres of indoor and outdoor fitness including a boulder wall and a boxing studio. The whole place is a phone-free zone, which is either the point or a dealbreaker.
The Alps — the region, not the property. Photograph Claudio Biesele
I
The facilities
7,000 m² across water, sauna and a subterranean temple
Sunken Temple — a subterranean Far-Eastern zone with a Room of Silence, Salt Dome, Dragon and Temple Saunas and a Water Path
Yin-Yang pool — two interlinked circles at 17–18°C and 34°C, textile-free, for Kneipp alternation
Two outdoor brine pools at 2% and 4% salt, 32–34°C and 26°C
Karwendel Fire Sauna, outdoors at 90°C with regular infusions
Ice grotto with an ice fountain at about 5°C, and an indoor Zen garden
Salt room with ultrasonic nebulisation, 5% salt at 35–40°C
II
The rooms
CategorySizeSleeps
Zöhrer RoomMain house, sloping roof; balcony to garden or Karwendel30 m²2
Edelweiss RoomLandhaus east wing; balcony and separate WC35 m²2
Landhaus RoomCountry house east or south; balcony or terrace35 m²2
Gipfelstürmer RoomCountry house south wing; reclaimed wood, balcony35 m²2
Kaiserzeit RoomCountry house south wing; balcony, separate WC35 m²2
Platzhirsch RoomCountry house south wing; integrated single bedroom40 m²3
143 rooms and suites in all. 6 categories from the hotel's own pages, smallest first — see their own page ↗.
III
What the rate covers
What you will not have to think about
Breakfast
time not published
Buffet with a TCM corner
Lunch
time not published
At the TCM restaurant TENZO
Dinner
time not published
Multi-course menu and buffet at the gourmet restaurant
Drinks, and the small printWelcome aperitif; renaturalised mountain spring water at the fountain; wellness-bar spring water, fruit juices and teas. Room-with-breakfast also sold.
Yours, at no extra cost
Supervised movement and relaxation
Sixty hours per week — yoga, qigong, breathwork, meditation
Guided hikes
Indoor and outdoor fitness
500 m² — yoga platform, boulder wall, Synrgy tower, slackline, boccia, trampoline, table tennis, boxing studio, energy room
Tennis courts
AchenseeCard
Free — buses, cross-country skiing in Pertisau, cable-car rides, museum entry
Underground parking
Free, with a free car wash
Also in the rate
Heated ski-boot and bike storage
A phone-free zone; textile-free zones including the Yin-Yang pool
IV
Before you book
Before you go4 things worth knowing first
Parts of the spa are textile-free. Adults only, 18 and over, throughout the hotel If bathing without a swimsuit is not for you, check which zones before you book — in much of the Alps it is the norm rather than the exception.
Adults only. Adults only, 18 and over, throughout the hotel Children are not admitted anywhere in the house.
Minimum stay of seasonal, unquantified; packages 2–7 nights. Shorter stays are usually possible off-season, but ask.
Language. English is spoken throughout, but the hotel's own pages are often fuller in German — which is where several of the details above came from.
What is not included4 charges on top of the rate
Outdoor basecamp
Bikes, sledges and snowshoes for hire
EV charging
€0.66/kWh, minimum €4.62
Longevity, biohacking, TCM and Ayurveda packages
Optional, charged, sold separately
Golf, tennis coaching, squash, riding, personal training, beauty, massage
Charged
The facts, as published11 lines, plus a link to their own site
Falstaff Spa Guide 2026 — 99/100RELAX Guide 2026 — three lilies, 18/20klimaaktiv award for climate protection
Falstaff and the RELAX Guide are the two authorities on spa hotels in the German-speaking world — widely trusted there, and almost unknown elsewhere. Falstaff scores out of 100; the RELAX Guide awards up to four lilies, which very few hotels hold. Gault&Millau rates kitchens in toques, four being exceptional.
VI
Getting there
By air
Innsbruck 50 min · Munich 1 hr 30 · Salzburg 2 hr
By rail
Jenbach, 20 min
Transfers
The hotel drives guests personally from Jenbach and from both airports; price on request
VII
Why it qualifies
Every one of these was verified against what the hotel itself publishes. Any of them will take you to the others that share it.
Compiled from the hotel's own published pages where available, otherwise from trade and press sources, correct as at September 2026. Anything marked "not published" is something the hotel does not state — we would rather tell you that than guess. The image above is a generated illustration, not a photograph of the property.
