Pielpajärvi is the old centre of Inari. In former times, there was a winter village of Inari by the shore of this wilderness lake where people gathered to stay for the winter months. The church, built in the winter village in 1760, is one of the oldest buildings in northern Lapland. The reddish church stands on a stone field lined by a beautiful birch wood. A natural-state meadow now grows on the church grounds.
The wooden wilderness church of Pielpajärvi is the second church in this very spot. All the remains of the first church, which was completed in 1646, have disappeared, and only the decaying foundations of a few buildings are left from the winter village. The Pielpajärvi Wilderness Church and the nearby areas form a nationally valuable cultural heritage area. It has also been classified as a regionally valuable landscape area.
The Pielpajärvi Wilderness Church can be visited throughout the year. Information on directions is available on the Inari Hiking Area's webpages.
Kristiansten Fortress was built to protect the city against attack from the east. Construction was finished in 1685. General Johan Caspar von Cicignon, who was chief inspector of kuks fortifications, was responsible for the new town plan of Trondheim after the great fire of 18 April 1681. He also made the plans for the construction of Kristiansten Fortress.
The fortress was built during the period from 1682 to 1684 and strengthened to a complete defence fortification in 1691 by building an advanced post Kristiandsands bastion in the east and in 1695 with the now vanished Møllenberg skanse by the river Nidelven. These fortifications were encircled by a continuous palisade and thereby connected to the fortified city. In 1750 the fortress was modernized with new bastions and casemates to protect against mortar artillery.