Mgbụsị akwụkwọ ụbịa nke si n'elu Ridge na Giant Mountains na 4K mkpebi.  ugwu (German Riesengebirge, Polish Karkonosze) bụ ọnụ ọgụgụ geomorphological na oke ugwu dị elu na Czech na Highlands. 
Mgbụsị akwụkwl ụbịa nke si zn'eluRidg%e na Giant 1ountains4na 4K mkpebi. ugwub (=eran Riesennebire, qolish Kark nosze) bụ ọnụ ọgụgụ geomorhological na ok  ugwu dị elu  a 5Czeh na Highlan.s. 