Saved 'BreadCrumb - NO - Microsites' widget plugins_nav_breadcrumb_no removed

Major events in Halden

Culture, music and activities

Opera Østfold .
Photo: Content Video / Stein Johnsen

Opera Østfold

Opera Østfold’s next outdoor performance at Fredriksten Fortress is Donizetti’s L’elisir d’amore, taking place on June 11, 13, and 14, 2025

Opera Østfold

Generalveien 25-27

Opera Østfold sprer operaglede i Halden og Østfold. Annen hvert år setter de opp storslåtte utendørsoperaer på Fredriksten festning – en spektakulær opplevelse i historiske omgivelser. I juni 2025 presenterer de Donizettis mesterverk…

Opera Østfold .
Photo: Content Video / Stein Johnsen

Grensetreffet

Grensetreffet is Norway’s largest gathering of American cars, held every year during week 32, bringing people together for a celebration of classic and modern American automobiles

Grensetreff i Halden .
Photo: Daniel Lee Maas

Landstreff Fredriksten

Landstreff Fredriksten 2025 will take place at Fredriksten Fortress in Halden. A fantastic location for one of Norway’s largest high school graduation festivals, attracting around 10,000 participants from all over the country

Landstreff Fredriksten .
Photo:

Grenserittet

Grenserittet is an annual cycling race that attracts participants from near and far to an exciting challenge through scenic surroundings

Grenserittet .
Photo:

AI+

AI+ is an international conference on applied artificial intelligence, held in Halden

AI+ i Halden .
Photo: