The Kreis Rheinwald forms, together with the Kreise of Avers, Domleschg, Schams and Thusis the Hinterrhein District (Bezirk Hinterrhein) of the Canton of Graubünden in Switzerland. The seat of the sub-district office is in Splügen.

The Kreis ("sub-district") is composed of the following municipalities:

Coat of arms	Name	Residents (Dec. 2009)	Area in km	BFS No.
	Hinterrhein	61	48.30	3691
	Nufenen	139	28.03	3693
	Splügen	377	60.49	3694
	Sufers	146	34.62	3695

• Rheinwald (Kreis) in German, French and Italian in the online Historical Dictionary of Switzerland.
• Information Platform Kreis Rheinwald

46°32′46″N 9°18′00″E / 46.5460°N 9.3000°E / 46.5460; 9.3000