Trehörningen is Swedish for "The Triangle", or literally "The Three-Corner", and can refer to many different geographical locations, including:
- Trehörningen (Sjödalen) - a lake in Huddinge Municipality, in the Sjödalen-Fullersta area.
- Trehörningen, Hanveden - a lake in Huddinge Municipality, in the Hanveden area.
- Trehörningen, Tyresta - a lake in Tyresjö Municipality, in Tyresta National Park
See also
edit- Trekanten (disambiguation) ("The Three-Edge")