Bjørnsjøhelvete has been part of Marka since 1883 and has a strong connection to outdoor life and nature. The organization offers a range of services that include maps and tour planners, as well as information on historical aspects of Marka. Visitors can also find trip suggestions and information about ski slopes, as well as access to a webcam that shows the conditions in the area.
Bjørnsjøhelvete organizes activities for both children and adults, including joint trips and cross-country skiing courses. There are also specific offers such as the Children's Ski School and activity days for families, making it a popular choice for those interested in the outdoors. The organization has a focus on sustainability and social responsibility, and offers field cabins and recreational sports that provide good opportunities for nature experiences. The Kjentmannsmarket and Markavett are also part of the offers, which promote outdoor activities in the area.