| Key | Value |
| boundary | protected_area |
| naturbase:url | https://faktaark.naturbase.no/?id=FV00000006 |
| operator | Statsforvalteren i Oslo og Viken |
| protect_class | 6 |
| ref:friluftsvern | FV00000006 |
| related_law | https://lovdata.no/dokument/LF/forskrift/2023-11-10-1813 |
| short_name | Østmarka |
| start_date | 2023-11-10 |
| type | boundary |
| wikidata | Q125783498 |