| Private | |
| Industry | Transport |
| Fate | acquisited by Holmenkolbanen |
| Founded | 4 January 1912 |
| Defunct | 1 January 1920 |
| Headquarters | Aker, Norway |
|
Key people
|
Harald Boe |
| Products | Infrastructure |
A/S Tryvandsbanen was a Norwegian company that constructed a rail extension nicknamed Tryvandsbanen ("Tryvann Line") of the Holmenkoll Line from Besserud (then Holmenkollen) to Tryvandshøiden station. The company was established 4 January 1912 and opened the Tryvann Line 15 May 1916. Tryvandsbanen was disestablished on 1 January 1920.