Name and Location

The Tvistein Fyr, also known as the Kjær Lighthouse, is a prominent maritime aid located on the southwestern coast of Norway in Vestfold county. Its precise location is at WWQP+6G Kjær, with coordinates 58.9380795° N, 9.9363412° E.

Construction and History

The Tvistein Fyr was constructed during the [year] era. This construction era has shaped the lighthouse's architectural style, blending traditional Norwegian design with a white-painted tower featuring a red roof and a black lantern room.

Architecture and Materials

The lighthouse stands at an impressive height of approximately 17 meters (56 feet) and has a focal height of 11.3 meters (37 feet). Its architecture is characterized by a traditional Norwegian design, with a white-painted tower featuring a red roof and a black lantern room.

Light and Navigation

The lighthouse emits three different light patterns: Fl(3)W.15s, a green light with a 5-second period and a range of approximately 7.4 kilometers (4.6 miles); Fl(3)R.15s, a red light with a 5-second period and a range of approximately 7.8 kilometers (4.8 miles); and Fl(3)W.10s, a white light with a 5-second period and a range of approximately 10.1 kilometers (6.3 miles).

Accessibility and Visiting

The lighthouse has been automated since [date], eliminating the need for manual operation by keepers. Visitors can access the Tvistein Fyr, although details regarding opening hours, entrance fees, guided tours, or on-site facilities are not readily available.

Notable Views and Landscape

The lighthouse stands near the village of Kjær, nestled between rolling hills and rugged coastlines. The surrounding area is characterized by rocky shores, sandy beaches, and dense forests. Several photographs of the Tvistein Fyr have been taken, showcasing its striking architecture and stunning coastal views.

Technical and Operational Details

The lighthouse is equipped with a radar transponder, categorized as "racon" with a group code "M", operating on a wavelength of 0.03-X; 0.10-S and emitting signals every 30 seconds.