Provincial Route 105 is a highway located in the Argentine province of La Pampa.

[1] Its total route is 180 km, being partially asphalt.

It crosses the FCDFS tracks in the city of Victorica, and Provincial Route 10 about 4 km (2 mi) further south.

It runs south through the town of Carro Quemado, being asphalt until Provincial Route 14 in the El Durazno area.

From there, it is a natural dirt road that heads southwest towards National Route 152.