To provide a mushroom cultivation ridge capable of thoroughly ventilating up to each stair of each shelf for arranging mushroom beds.

This mushroom cultivation ridge 1 for mushroom cultivation comprises arranging a plurality of shelves 14 with a plurality of stairs and putting a plurality of mushroom beds inoculated with mushroom spawn on the shelves 14. The ridge has a window 3 for air intake, grooves 5 set on a floor for exhaustion and drainage and exhaustion devices 10a exhausting air from the grooves 5 to outside. The grooves 5 are set so as to make each central part of the longitudinal direction of the shelves 14 adjacent to each other, and ventilation is done through routes from the window 3 to the grooves 5.