Generally: Children under 15 years of age are included free of charge on the adult cardholder's card when fishing together. Fishing season: Minimum length of trout 30 cm. Rainbow trout free. Fishing ban 1 October to 24 December. Summer season = May 1st-September 30th. Winter season = 25 Dec. to 30 April. Methods: All fishing with bait, nets and otter fishing is prohibited. All trolling fishing may be conducted with a maximum of one outrigger rod per person. Fishing with one hand gear per person. All mashing in our put and take water is prohibited. Only boats that are stationary in Lake Gryssen may be used. Think about the spread of infection. 2026-09-06 | https://www.ifiske.se/en/fishing-permit-gryssen.htm?rules=1334 | www.ifiske.se |