In the Vinony graph
Vinony's link graph records 3 inbound references to Grüner Heiner, and connects out to Germany, World War II and Baden-Württemberg.
The entry is geolocated on the map in BW.
Vinony files it under Artificial hills, Geography articles needing translation from German Wikipedia and Mountains and hills of Baden-Württemberg.
Vinony links it to 6 Wikipedia language editions.