[4] It comprises the same area as the administrative Lummelunda District, established on 1 January 2016.

The land is mainly plains with high and steep, forested cliffs to the north.

[6] On the Lummelunda coast next to the local hostel is Nyhamn harbor and fishing village, dating back to the 17th centurtry.

The reserve, established in 1989, is 17 ha (42 acres) and includes the cave and the ground above it.

The height of the industry at Lummelunda was during the 17th century, when ironworks at the stream processed iron ore shipped from Utö in the Stockholm archipelago.