1) Island of Friesland 
Richel (Nl-richel.ogg; Ridge), or rather De Richel (The Ridge), is a permanently dry sandbank in the Wadden Sea, in the gap between the Dutch islands of Vlieland and Terschelling. It is located about 1 kilometer east of the northernmost point of Vlieland and is administered by the municipality of Vlieland. The sandbank has an average surface area ...