He discovered "burning stones", Martin Albrecht said 120 years ago, when he found the first oil shales on the shores of Lake Achensee, and mined the valuable rock in the first tunnels. A few years later, after an intensive search, he found a large oil shale deposit in the Bächental, a side valley in the Karwendel Mountains. With carrying baskets on the back, the material was then brought on foot across the 1,650 m high Gröbner Joch to Achenkirch and transported from the shale oil distillery to the processing plant in Jenbach. In the Bächtental valley at an altitude of 1,500 m, oil shale is still mined today, now in a sustainable and environmentally friendly way.

Tyrolean Shale Oil (Tiroler Steinöl®) is highly valued today, especially in the wellness and health sector. The active substances it contains come from prehistoric marine animals and plants. Together with the high content of naturally bound sulphur, they have a beneficial and nurturing effect on the whole body: hair, skin, musculoskeletal system - in the wellness sector you can enjoy baths, massages and heat packs with Tyrolean Shale Oil. The history of the Albrecht family, the legend that oil shale is giant blood, and the products can be found in the Tyrolean Shale Oil Museum, an adventure museum with a panorama café and shop in Pertisau.