The Cross-border Mining Education Trail (German: Grenzüberschreitender Bergbaulehrpfad, Czech: Příhraniční naučná hornická stezka) from Krupka (German: Graupen) to Geising, Altenberg, Zinnwald and Cínovec (German: Böhmisch Zinnwald) to Dubí (German: Eichwald) is a 40 km long mining history educational trail in the upper Eastern Ore Mountains in Germany and the Czech Republic. It links seventy sites (including museums, monuments, visitor mines, mining ponds and ditches, reclamations and tourist attractions) connected with the history of mining and settlement in this cross-border region of the Ore Mountains. The educational trail describes the development of what was once the most important tin mining regions in Central Europe. In order to hike the trail, a walking map is recommended that contains detailed maps and short descriptions of the waypoints en route and the opening times of the museums.