▁known ▁for ▁especially ▁large ▁wild ▁Great ▁Bas in ▁re db and ▁tr out , ▁which ▁move ▁into ▁the ▁river ▁to ▁spawn ▁and ▁to ▁escape ▁Upper ▁K lam ath ▁Lake ▁when ▁it ▁gets ▁warm . ▁Three - year - old ▁fish ▁" comm only ▁reach ▁ 2 0 ▁inches ▁or ▁better ." ▁Sm aller ▁numbers ▁of ▁brown ▁tr out ▁also ▁th rive ▁in ▁the ▁William son , ▁especially ▁below ▁Spring ▁Creek . ▁Lost ▁River ▁su ck ers ▁also ▁populate ▁the ▁river ▁but ▁are ▁protected ▁and ▁cannot ▁be ▁caught ▁and ▁kept ▁leg ally . ▁Sm aller ▁rain bow ▁tr out ▁and ▁bro ok ▁tr out ▁live ▁in ▁the ▁river ▁above ▁K lam ath ▁Marsh . ▁Much ▁of ▁the ▁land ▁along ▁the ▁river ▁is ▁priv ately ▁owned , ▁and ▁public ▁access ▁is ▁limited . ▁ ▁History ▁ ▁Since ▁ 2 0 0 3 , ▁The ▁Nature ▁Conserv ancy ▁and ▁other ▁organizations ▁have ▁been ▁working ▁to ▁restore ▁about ▁ ▁of ▁wet lands ▁in ▁the ▁William son ▁River ▁delta ▁at ▁the ▁north ▁end ▁of ▁Upper ▁K lam ath ▁Lake . ▁Form er ly ▁d ik ed ▁and ▁dra ined ▁for ▁far ming , ▁the ▁delta ▁provides ▁habitat ▁for ▁millions ▁of ▁migr ating ▁birds ▁as ▁well ▁as ▁many ▁native ▁species ▁of ▁fish , ▁m oll us ks , ▁and ▁aqu atic ▁plants . ▁ ▁See ▁also ▁List ▁of ▁longest ▁streams ▁of ▁Oregon ▁ ▁References ▁ ▁Category : R ivers ▁of ▁Oregon ▁Category : T rib ut aries ▁of ▁the ▁K lam ath ▁River ▁Category : R ivers ▁of ▁K