[1][2][3] It is found in northern Peru (Cordillera de Huancabamba, Department of Piura) and southern Ecuador (Yacurí National Park, Loja Province).
[2][4] The specific name parkeri honors Hampton Wildman Parker, English zoologist and herpetologist.
The head is as long as it is wide or slightly longer; the snout is rounded.
The fingers and toes have narrowly rounded tips; no webbing is present.
[3][4] Lynchius parkeri occurs in humid montane forests and páramo[1][4] at elevations of 2,700–3,397 m (8,858–11,145 ft) above sea level.