It is also due to the efforts of Enkan that places of Endonkai precept study were established at the Engoku Shikaidan (Hokai-ji Temple in Kamakura, Yakushi-ji Temple in Kaga Province, Tomyo-ji Temple in Iyo Province and Chinko-ji Temple in Tsukushi Province).
また、遠国四戒壇（鎌倉宝戒寺・加賀国薬師寺・伊予国等妙寺・筑紫国鎮弘寺）に円頓戒の道場を開くことができたのは円観の力によるものとされる。