Central and southern Chile from Aconcagua south to northern Magallanes (including Chiloé I and other near-shore islands) and extreme western Argentina (Neuquén south to Santa Cruz).
 
Population
Estimated population is unknown (2010).
Des Murs's Wiretail (Sylviorthorhynchus desmurii) [XC543503]
by Gabriel Morales from Piedra Azul Alto, Puerto Montt, Llanquihue, Los Lagos, Chile (call, aggressive call)
Des Murs's Wiretail (Sylviorthorhynchus desmurii) [XC53590]
by Fabrice Schmitt from PN Lago Puelo, Chubut, Argentina (song)
Subspecies
No subspecies.
General morphology and tail structure suggest possible relationship to Schizoeaca, and nests are at least superficially similar.