Pristimantis supernatis live in cloud forest, sub-páramo, and páramo at elevations of above sea level. Specimens have been spotted under rocks and logs and in deep grass, but also in bromeliads, leaf litter, and in vegetation as high as three meters above the ground. They are nocturnal. It is threatened by habitat loss caused by logging and agricultural development (livestock and illegal crops). It occurs in the Nevado del Huila and Puracé National Natural Parks.