Old clay pit
Alte Tongrube stands for:
- Protected landscape component of the old clay pit , protected area in the Hochsauerland district
- Old clay pit Borstel , nature reserve in the Lower Saxony municipality of Auetal, district of Schaumburg
- Alte Tongrube Zweibrücken , nature reserve in the independent city of Zweibrücken in Rhineland-Palatinate
- Alte Tongrube (nature reserve) , nature reserve in the Warendorf district