[1][3][4][5] It is endemic to Borneo and only known from Mount Penrissen [ms] in Sarawak (East Malaysia),[1][4] its type locality that also gave this species its specific name.

[2] Pelophryne penrissenensis occurs in primary, hilly lower montane tropical rainforest at elevations of 1,000–1,200 m (3,300–3,900 ft) above sea level.

[1] Specimens have been spotted on leaves, on and around rocks, always <2 metres (7 ft) above ground.

[2] Although this species is only known from one locality, it is relatively common there, not facing known threats, and believed to have a stable population.

[1] Mount Penrissen is an Important Bird Area but enjoys no formal protection.