Name and Location

The Tjärven Lighthouse is located at 9FFXQ9RC+J2, Norrtälje Municipality, Stockholm County, Sweden (59.791555° N, 19.3700572° E).

2. Construction and History

The Tjärven Lighthouse was constructed in an era that has not been specified.

3. Architecture and Materials

The lighthouse features a white castle-like building with the lantern situated on its roof. The structure's design allows for the display of light signals to aid navigation.

4. Light and Navigation

The lighthouse displays light signals with the following characteristics:

• Light Character: Oc (occurring every 20 seconds)
• Light Color:
  • Red (character sequence 11+(3),3+(3))
  • Green (sequence 11+(3),3+(3))
  • White (sequence 11+(3),3+(3))
• Range:
  • 14 nautical miles for red light
  • 13 nautical miles for green and white lights

5. Accessibility and Visiting

The Tjärven Lighthouse is currently inaccessible to the public, with no specific reason provided.

6. Notable Views and Landscape

From the vantage point of the lighthouse, one can observe the surrounding landscape and environment, which are not specified.

7. Anecdotes and Folklore

No stories or anecdotes have been documented about former keepers of the Tjärven Lighthouse.

8. Technical and Operational Details

The lighthouse's operational mode is not specified, although it is likely to be automated or manually operated by a designated keeper in the past.

9. Further Information

Please note that some details may be unavailable or unverified due to the lack of specific information provided.