Weingut Dr. Loosen is a family-owned winery located in the Mosel wine region.

The estate has been in the Loosen family for over 200 years, specializing in Riesling wines. Under the leadership of Ernst "Erni" Loosen since 1988, the winery has gained international acclaim for producing high-quality Rieslings that reflect the unique characteristics of their vineyards. The estate's vineyards are situated on the steep slopes of the Middle Mosel, featuring various soil types, including red slate, blue slate, and red volcanic conglomerate.

Some of the vines are up to 140 years old and ungrafted, contributing to the distinctiveness of their wines. Dr.

Loosen produces a full range of Riesling styles, following family traditions: dry wines inspired by the paternal Loosen side and Prädikat wines influenced by the maternal Prüm family branch.