<p> The development of the renal vessels account for the fact of the complicate development of the kidney. During routine dissection in the Department of Anatomy found the presence of Unilateral Double Renal Pelvis and Proximal Bifid Ureter is a rare anomaly were observed on the left side of a 58 years old male cadaver, which may develop due to delayed development of the metanephric tissue or a relatively rapid development of the ureteric bud. The anatomical variations of the renal collecting system associated with renal vessels are of great importance for surgical approaches radiology other evaluative methods like cystoscopy and retrograde pyelography and renal transplantation.</p>