Because there is ample rain in Ilan and Nantou, and the forest canopy blocks the sun, the area has long been known for its excellent mushrooms. Those grown in Hanhsi are particularly cherished.
南投和宜蘭因雨水充足、林蔭遮日，向來以優質香菇享有盛名，其中尤以宜蘭寒溪原住民所種的香菇最受青睞。