Najd bụ ugwu dị elu site na 762 ruo 1,525 m (2,500 ruo 5,003 ft) n'ịdị elu ma na-agbadata site na ọdịda anyanwụ ruo n'ebe ọwụwa anyanwụ. Akụkụ ọwụwa anyanwụ (nke a maara dị ka Al-Yamama) bụ nke e ji ebe obibi oasis mara nke nwere ọtụtụ ọrụ ugbo na azụmaahịa, ebe ndị fọdụrụ na-abụkarị ndị na-agbagharị agbagharị. Isi ihe ndị dị elu gụnyere ugwu ejima nke Aja na Salma n'ebe ugwu dị nso na Ha'il, ala dị elu nke Jabal Shammar na ugwu ugwu Sudawaiq nke na-agafe n'etiti ya site na ugwu ruo n'ebe ndịda.
5,003 [ puku ise na narị atọ]