Wondering if Millstätter See fits your Carinthian trip? Yes, if you want Carinthia’s second-largest lake, a wild southern shore and warm summer water.
This lake is one stop in the wider region, which the carinthia travel guide lays out.
| Item | Value |
|---|---|
| Surface area | 13.3 km² |
| Maximum depth | 142 m |
| Length, east to west | 12 km |
| Surface elevation | 588 m above the Adriatic |
| Summer water temperature | Can reach 25 °C |
| Southern shore protected area | Since 1970 |
These figures come from Wikipedia’s Lake Millstatt entry. They can change, so check the source before you rely on them.
What makes Millstätter See different
The lake arose in the last glacial (Würm) period, about 20,000 years ago, as Wikipedia’s Lake Millstatt entry describes. Its steep shore gives it a fjord-like character. The same entry says its clear water reaches drinking water quality.
Depth is the lake’s signature. At 142 m it is the most voluminous lake in Carinthia by far, according to Wikipedia. A komoot guide to the lakes around Döbriach also calls it Carinthia’s second-largest and deepest lake, known for its undeveloped southern shore.
Only Lake Wörth has a larger surface, so the wörthersee travel guide is a natural companion read if you are comparing lakes. Both are worth a look before you decide where to base yourself.
Swimming, boats and water sports
Around the lake you will find eight lidos, according to Explorer Hotels’ lake page. The same page says Seeboden, Millstatt and Döbriach have plenty of places to eat and drink. It also lists water skiing, surfing, SUP, diving and boating at water sports schools around the lake.
Warm water is a real draw. The Millstätter Alpe mountains rise up to 2,100 m in the north and shelter the lake from cold winds, so Wikipedia says the water temperature can reach 25 °C in summer. That is a ceiling, not a promise, so pack for cooler days too.
Boat trips are a relaxed way to see the shoreline. Three details help with planning:
- Ship transport in summer has been provided since 1901 by the Millstättersee Shipping Company, which runs four vessels, according to Wikipedia.
- Boats depart from Millstatt, says Explorer Hotels.
- With the Kärnten Card, boat trips are free, while bicycles and dogs are subject to a fee, per the same Explorer Hotels page.
The free-trip detail comes from a hotel portal rather than the boat operator, so confirm the Kärnten Card terms before you count on it.
Anglers have options too. Wikipedia notes that sport fishing is quite common, not only for trout but also for pike, zander, perch and other fish. Local rules and licences vary, so ask at your accommodation before you cast a line.
Walking and cycling the southern shore
The southern shore is the quiet side of the lake. Wikipedia describes it as shaded, almost uninhabited and a protected area since 1970. The komoot guide likewise calls it undeveloped.
For families, Explorer Hotels names the easy trail on the southern shore and the tours on the Mirnock mountain on the eastern shore as ideal. For more family-friendly ideas across the region, read carinthia with kids.
Cyclists are well served. According to Explorer Hotels, mountain bikers can use the 28 km route on the southern shore, while the paved paths on the northern side suit e-bikes. A komoot community tip calls the forest cycle path along the undeveloped shore well maintained, with many views and benches that invite you to linger, as shown in the komoot guide.
If you want something harder, two named trails stand out:
- The Arnika-Jufen-Steig circular route.
- The Enzian-Granat-Steig trail to the Granattor (Garnet Gate).
Both are described as more challenging by Explorer Hotels. The Granattor itself is an iron passage measuring 3.20 meters in height and 3.50 meters in width, filled with tons of garnet rocks, according to the komoot guide.
Whichever route you pick, check the current trail conditions locally and download an offline map before you set off.
Which village should you base yourself in?
Wikipedia lists three settlements on the lake: Seeboden, Millstatt and Döbriach. The lake takes its name from the market town of Millstatt on the northern shore. Each village suits a slightly different trip:
- Millstatt: the market town that gives the lake its name, and the place boats depart from according to Explorer Hotels. Visit Carinthia lists Carinthia’s first bathhouse in Millstatt as a top tip.
- Seeboden: a komoot viewpoint tip mentions the park and the ship landing stage here, in the komoot guide.
- Döbriach: the komoot guide describes the village as offering access to both Millstätter See and Brennsee.
Brennsee, also called Feldsee, sits in the Gegendtal Valley and is recognised for its clean water and reliable thermal winds, per the komoot guide. That makes Döbriach a handy base if you like to switch between two lakes.
Choose by what you plan to do each day, then check distances on a map. If you are heading for the southern-shore trails, look at where the paths start before you book a bed.
How do you get to Millstätter See?
You have two main options, both described by Wikipedia:
- Train: the Spittal-Millstättersee station on the Tauern Railway line, with passenger service provided by the Austrian Federal Railways (ÖBB).
- Car: the B98 Millstätter Straße runs along the northern shore and joins the Tauern Autobahn (A10) from Salzburg to Villach at the Spittal/Millstätter See junction.
Timetables and road works change, so check the operator’s current information before you travel. A station near the lake does not always mean a short walk to your village, so plan the last stretch in advance.
Millstätter See in winter
The lake works as a base for skiing as well as swimming. Visit Carinthia says you can explore a different top ski area each day, from Bad Kleinkirchheim to Katschberg, Nassfeld, Mölltaler Gletscher or Goldeck. From the villages around the lake you can reach the resort of your choice in around 30 minutes.
Visit Carinthia says the Kärntner Skipass opens the door to the 31 best ski areas across Carinthia and East Tirol. Explorer Hotels adds that besides the local mountain, Goldeck, seven other ski resorts are within easy reach.
Skating needs more care. Explorer Hotels says the ice on the lake is usually not thick enough for ice skating. Visit Carinthia points skaters to Lake Brennsee at Feld am See instead.
Frequently asked questions
Is Millstätter See good for swimming?
Show answer
It has eight lidos according to Explorer Hotels, and Wikipedia says the water can reach 25 °C in summer. Conditions vary by day, so check the weather before you go.
How big is Millstätter See?
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Wikipedia gives a surface area of 13.3 km², a length of 12 km and a maximum depth of 142 m. Sources differ slightly: Explorer Hotels lists 13.6 km².
Can you skate on Millstätter See in winter?
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Usually not, because Explorer Hotels says the ice is not normally thick enough. Lake Brennsee at Feld am See is the skating spot named by Visit Carinthia.
Can you cycle around Millstätter See?
Show answer
There are routes on both sides. Explorer Hotels lists a 28 km mountain bike route on the southern shore and paved paths on the northern side suited to e-bikes. Check a route planner for how the two fit together.
