The Montane Woodcreeper is distributed in the Andes from northern Venezuela to western Bolivia. See the distribution map at Birdlife International. It is found in montane forest and forest borders mostly between 1,500 and 3,000 metres.

Photo 1 was taken at Otún-Quimbaya while photos 2 and 3 are of the sub-species L. l. sanctaemartae taken on the Sierra Nevada de Santa Marta. Photos 4 and 5 were taken in the Atuen Valley, Amazonas, Peru and are of the darker and more rufescent L. l. warscewiczi subspecies.