Kalvs FVOF

Kalvsjön offers good fishing for pike perch, pike and perch. And in a peaceful nature with a wilderness character, there are no disturbing roads or communities here that disturb the peace. Kalvs family camping rents out boats and canoes and offers overnight accommodation at the campsite and in cabins, even in a houseboat. The Kalvs skolhus hostel offers newly renovated rooms. The shopkeepers in the village have a good range. All three sell fishing permits. There is a mooring place for boats at the outlet in Kalv. There are several campsites, see the Fegen area here on iFiske, this is where you are allowed to have a fire. The rich bird life is best protected by respecting the bird protection area around the large islands in the middle of the lake and Aspön during the period 174 -15/7. In addition to fishing in Kalvsjön, the Södra and Norra Svansjöarna are also included. These are connected to Fegensjön. The smaller Fursjön and Röasjön are also included in the fishing permit.

Further down the page there is an older depth map in pdf.
Depth map of most of the lake is available at https://www.genesismaps.com/SocialMap

Here you can see the current water level in the lake, which varies somewhat: https://www.vkr.se/Hist/AtrnKalY.htm