There is a small forest within Tenjin no Mori Tenman-gu Shrine near Tenjinno Mori Station on Hankai Line of Hankai Tramway Co., Ltd., which is considered to be remaining site where Joo spent in seclusion in his late years and left as it was as the Joo forest.
現在の阪堺電気軌道阪堺線の天神ノ森駅付近の天神ノ森天満宮内に、小さな森があるが、それは紹鴎が晩年隠棲していた跡地であるとされ、そのまま紹鴎の森として残る。