He continued painting until his death of unspecified causes at Radolfzell in 1970. He was buried at the cemetery in the village of Hemmenhofen am Untersee. As is customary in Germany, after twenty years his marker was removed and the grave was used for a new burial. A plaque was erected at the cemetery as a permanent memorial.
In 2000, Heckel’s Dangaster Dorflandschaft (Dangast village landscape) (1909) was sold for £1.21 million at Sotheby’s in London.% | % | % | % | % | % | % | %