Thermal bath

GrimmingTherme

Bad Mitterndorf, Steiermark, Austria

  • Lawn with parasols and loungers beside the outdoor pool, mountains rising behind
Water temperature
40 °C
Pool range
40 °C
Well depth
2,413 m
Mineralization
1,876 mg/l

A thermal bath at Bad Mitterndorf in Austria's Steiermark, drawing water of 40 °C from a well nearly 2,400 metres deep. Its water has a mineralisation of 1,876 mg/l.

About

The GrimmingTherme is a thermal bath at Bad Mitterndorf in Styria, below the Grimming massif. It has three indoor and four outdoor pools, a separated children's area with a giant slide, and a sauna village kept apart from the bathing hall.

The water

The bore reaches 2,413 metres and finds water at 40 °C at the bottom, delivered at 1.5 to 2.0 litres a second. The venue classifies it as an acratic, fluoride-bearing calcium-magnesium sulphate thermal water, with 1,876 mg of dissolved minerals per litre and a pH of 7.2; calcium, magnesium, fluoride and sulphur dominate the analysis.

Pools

Most basins are 1.35 m deep. The indoor and outdoor relaxation pools are held at 33-34 °C, as is the sauna relaxation pool. The youth and sports pool is cooler, at 26-27 °C, and deeper at 1.30 to 1.80 m. The open-air cold pool runs at 24-25 °C and the sauna plunge pool much colder, at 12-14 °C. The children's splash pool is 0.3 m deep at 33-34 °C, with the slide beside it.

Sauna village

The Saunadorf is separate from the thermal area, with several cabins, rest areas and a pool of its own. Admission is from the age of 16.

Visiting

The thermal bath opens from 08:00 to 21:00 and the sauna from 09:00 to 21:00, with the water cleared at 20:45; the Welldiana Club Spa runs 10:00 to 19:00. On weekdays a four-hour adult ticket is 19.50 EUR and a day ticket 24.00 EUR, with a children's day ticket at 13.50 EUR for ages 4 to 14 and a sauna supplement of 12.50 EUR; weekends and holidays add 2 EUR per person. The bath sets its own age brackets: children 4 to 14, youth 15 to 17, seniors from 60. It is at Neuhofen 182.

Water

Minerals
Calcium, Fluoride, Magnesium, Sulphur

Source: grimming-therme.com · Checked Aug 16, 2026

Prices

TicketAmountSource
Child day ticket€8.50grimming-therme.comChecked Aug 16, 2026

Facilities

  • Sauna

Only facilities that are recorded are listed. An absent entry means nobody has recorded it, not that it is missing.

Location

Neuhofen 182, 8983 Bad Mitterndorf

Reviews

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Nearby

Location data © OpenStreetMap contributors, ODbL. · last checked against the source on Aug 13, 2026