South-eastern Brazil (southern Sío Paulo south to northern Rio Grande do Sul), eastern Paraguay (records from Caazapá, Alto Paraná, and possibly southern Caaguazú) and north-eastern Argentina (Misiones).
 
Population
Estimated population is unknown (2010) and decreasing.
Canebrake Groundcreeper (Clibanornis dendrocolaptoides) [XC722646]
by Ricardo Jos\u00e9 Mitidieri from Santa Maria do Oeste, Paran\u00e1, Brazil (call, song)
Canebrake Groundcreeper (Clibanornis dendrocolaptoides) [XC414133]
by Franco Vushurovich from Curitiba, PR, Brazil (song)
Subspecies
No subspecies.
No obvious close relatives. Formerly thought to be close to Cinclodes. Sometimes placed in genus Phacellodomus, but vocal and plumage differences support treatment in monotypic genus.