| Key | Value |
| castle_type | defensive |
| contact:email | info@hbv-burgaltendorf.de |
| contact:website | https://www.hbv-burgalendorf.de |
| heritage | 8 |
| heritage:operator | Institut für Denkmalschutz und Denkmalpflege |
| heritage:ref | 62 |
| heritage:since | 1985-02-14 |
| historic | castle |
| image | http://commons.wikimedia.org/wiki/File:BurgAltendorfWohnturmNW02.jpg |
| opening_hours | 24/7 |
| opening_hours:Hauptburg | Apr 15-oct 15: Mo-Fr off; Sa, Su, PH 15:00-17:00; Oct 16-Apr 14: Mu-Su, PH off |
| ruins | yes |
| tourism | attraction |
| wheelchair | no |
| wikidata | Q1010745 |
| wikipedia | de:Burg Altendorf |
| year_of_construction | Ende 12. Jahrhundert |
