Tryvannstårn

1km/0.75mi beyond the turn-off for Voksenkollen the main road from Oslo comes to the popular Frognerseteren restaurant (alt. 437m/1434ft), from which there is a magnificent view of Oslo. Opposite the restaurant are a number of old wooden buildings from Telemark and the Hallingdal. From here it is a 20-25minutes' walk northwest to the Tryvannshögda (529m/1736ft), with a lookout tower 118.50m/389ft high, the Tryvannstårn (1962; lift), from which there are panoramic views.