Hyla (Litoria) montana Peters and Doria, 1878[2] Nyctimystes montana (Peters and Doria, 1878) Litoria montana (Peters and Doria, 1878) Nyctimystes montanus (common name: mountain big-eyed tree frog) is a species of frog in the subfamily Pelodryadinae.

[3] It is endemic to the Arfak Mountains, located in the Bird's Head Peninsula of northwestern New Guinea.

[1][3] This species is only known from its type locality ("Hatam sul Monte Arfak").

The palpebral venation has many horizontal connections (other Nyctimystes have only vertically oriented veins).

[4] The ecology and current population status of this species are essentially unknown.