| Key | Value |
| addr:city | Langenfeld |
| addr:country | DE |
| addr:housenumber | 45 |
| addr:postcode | 40764 |
| addr:street | Elberfelder Straße |
| building | hotel |
| building:levels | 2 |
| contact:email | info@gravenberg.de |
| contact:phone | +49 2173 922 00 |
| source:outline | NRW ALKIS |
| tourism | hotel |
| website | https://www.gravenberg.de/ |
| wheelchair | limited |
| wheelchair:hotel | no |