Karl-Heinz Spengler

Gesellschaft zur Rekultivierung der Kiesgrubenlandschaft, also known as Regionalpark Mainportal GGmbH, is a German company that has restored the landscape that was previously exploited by intensive gravel mining. It is located in Floersheim am Main, Germany and was founded in 1980. The private company has created a protected habitat for many plants, animals, and insects. The company's website provides information about the many recreational activities and the biological diversity in the Weilbacher Kiesgruben. The company is also involved in various projects such as the Flörsheimer Warte, Naturschutzhaus, and Rosarium. The CEO of the company is Mathias Bausback.