| Key | Value |
| access:conditional | no @ Mar 01-Jul 31 |
| boundary | protected_area |
| dog | leashed |
| gramophone | no |
| leisure | nature_reserve |
| motor_vehicle | no |
| note | Tillträdesförbud Mars-Juli gäller åtminstone tom 2026. |
| operator | Länsstyrelsen i Dalarnas län |
| protect_class | 1a |
| protection_title | Naturreservat |
| ref:NVRID | 2002081 |
| ref:OBJECTID | 3291302 |
| snowmobile | no |
| source | Naturvårdsverket |
| start_date | 1976-03-15 |
| website | https://www.lansstyrelsen.se/dalarna/besoksmal/naturreservat/tvarstupet.html |
| wikidata | Q30160807 |