car:

From Vienna: A2 Südautobahn Klagenfurt - Villach - exit "Ossiacher See" - B98 Millstätter road - Treffen - Feld am See
From Germany: Munich - Salzburg - A10 Tauernautobahn - Rennweg - Seeboden - turn towards Millstätter See - federal road to Radenthein and Feld am See
From Italy: A2 Südautobahn to junction Villach - towards Salzburg (5.3km) - exit "Ossiacher See" - B98 to Treffen - Feld am See

train:

From Vienna: Villach station; then take the "Postbus" bus to Feld am See
From Germany: Munich - Salzburg - Spittal/M or Villach; then take the "Postbus" bus to Feld am See

airplane:

Klagenfurt airport: 45-minute drive

Salzburg airport: 1.5-hour drive