External links
*in English, from the county http://www.lansstyrelsen.se/ostergotland/Om_Lansstyrelsen/in_english/departments/department_of_nature_resources/Naturereserves/linkoping/Vallaskogen/ *in Swedish, from the municipality http://www.linkoping.se/sv/Kultur-fritid/Gamla-Linkoping/Valla-fritidsomrade/Vallaskogen/ Geography of Östergötland County Nature reserves in Sweden Tourist attractions in Östergötland County