A 62-year-old woman presented to her local hospital due to progressively worsening left-sided pulsatile tinnitus, vertigo, and headaches. On examination, a left-sided cranial bruit was detected, but no other focal neurological deficits were observed. Magnetic resonance imaging (MRI) ruled out acute ischemic or hemorrhagic stroke but revealed abnormal vascularization over the patient’s left cerebral convexity. Subsequent digital subtraction angiography (DSA) confirmed a high-grade (Cognard type IV, Borden type III), unruptured left parietal dural arteriovenous fistula (DAVF), supplied by transosseous branches of the occipital artery (OA) and the parietal division of the left middle meningeal artery (MMA). The shunt point was located within a convexity dural venous channel (DVC) near but disconnected from the left transverse sinus, with subsequent venous drainage through a dilated vein of Labbé, which communicated retrogradely with the vein of Trolard before terminating in the superior sagittal sinus (SSS). Given the high hemorrhagic risk inherent to this lesion type and the presence of disabling symptoms, active endovascular treatment was undertaken with the patient’s informed consent. Using a transjugular approach, a 6F intermediate catheter was advanced into the SSS, and a microcatheter was navigated retrogradely through the anastomotic veins of Trolard and Labbé to the fistulous point located at the level of the DVC. In parallel, via standard transfemoral arterial access, the main feeder originating from a branch of the parietal division of the MMA was embolized with a Glubran2/Lipiodol mixture to reduce shunt flow and minimize the risk of coil migration. Nineteen detachable coils were then successfully deployed on the venous side of the fistula, and postembolization angiography confirmed complete occlusion of the DAVF. The patient experienced immediate resolution of the tinnitus and associated symptoms, with no new neurological deficits. Follow-up MRI performed 3 days later demonstrated resolution of the previously noted vascular abnormalities, and subsequent DSA confirmed durable fistula occlusion, allowing for discharge. This chapter highlights DVCs, an under-recognized anatomical entity, detailing their relevance and angioarchitecture when associated with DAVFs, and the resulting therapeutic implications.