Ruinaulta is a canyon on the Vorder Rhine just upstream of its confluence with the Hinter Rhine at Reichenau, Eastern Switzerland. It is sometimes known as the Rhine Canyon, or Swiss Grand Canyon (more for its size than any resemblance to theGrand Canyon). Protected by cliffs several hundred metres high, the area is forested and a haven for wildlife. It is easily accessible only by the Ruinaulta line of Rhaetian Railways, and is a popular location for rafting. The Rhine canyon (Ruinaulta) in Graubünden in Switzerland Length 1,320 km Elevation of the source Vorderrhein: approx. ... Alternate uses: Reichenau island Reichenau is a village in the municipality of Tamins in the canton of Graubünden, Switzerland, where the two Rhine tributaries Vorderrhein and Hinterrhein meet. ... Grand Cañon at the foot of the Toroweap - looking east, by William Henry Holmes The Grand Canyon is a colorful, steep-sided gorge, carved by the Colorado River, in northern Arizona. ... The RhB (Rhaetian Railway / Rhätische Bahn (German) / Ferrovia Retica (Italian) / Viafier Retica (Rumantsch)) has the largest network of all the private railways in Switzerland. ... Rafting is a recreational activity utilizing a raft to navigate a river or other body of water. ...
External Link
Guide (in German) (http://www.wald.gr.ch/download/ruinault.pdf)
The many castles and prehistoric fortifications along the Rhine testify to its importance as a waterway - river traffic could be stopped at these locations, usually for the purpose of collecting tolls, by the state controlling that portion of the river.