Shunrin-in Ihaibyo is built on the hill near to where the sprawling Arima family graves can be seen. There are three ihaibyo (mausoleums with ihai mortuary tablets), and this ihaibyo,　built for first feudal lord Toyo-uji, is situated in the middle. It is believed to have been built at the same time as the Shunrin-in Mausoleum. Characters carved on the stone lantern here tell us that this was 1643. The Shunrin-in roof that we see today is known as irimoya, an east Asian hip-and gable roof design.  However, according to an 18th century map of the area (Kounanzan-zu), the roof was originally a pyramidal roof style called hogyo-zukuri. It is believed that the roof was changed during improvements and repairs by later generations.

Inside the mausoleum is a miniature kuden shrine from the Kan'ei era (1624-1645), which was colored by gilding and lacquering. This kuden is of excellent quality, and even the back has been created with careful attention to detail, reflecting the high level of workmanship skill at the time.

The ihai tablet can be found inside the kuden shrine on a small Buddhist altar called, zushi .