Each year in spring, the Gamagori Classic Hotel in Aichi is home to an azalea festival, owing to the impressive number of azalea bushes planted around the grounds. In total, there are around 3,000 azaleas comprising of five types, in a garden space spanning 3.4 hectares.
The event typically runs from around mid-April through to May 5th (the end of Golden Week), but this can be subject to some fluctuation depending on blooming conditions. Do check the hotel's official Instagram account dedicated to the azalea festival for updates closer to the event's commencement.