Lago Plomo sits in the Soler Valley of Chilean Patagonia's Aysén region, connected to Lago Bertrand and forming part of an extensive network of navigable lake waters covering roughly 400 square miles. The lake is accessible from Puerto Bertrand, a small town located along the Carretera Austral (Route 7) approximately 176 miles south of Coyhaique — about a five-hour drive. From Puerto Bertrand, reaching the far end of Lago Plomo requires a seven-mile boat transit across the two connected lakes. The lake's far reaches are accessible only by boat or horseback, which underscores the remote and self-sufficient nature of any paddling trip here.

The surrounding landscape places Lago Plomo at the edge of the Northern Patagonia Icefield and adjacent mountain ranges, making it a gateway to significant wilderness terrain. Paddlers should plan accordingly for the logistical demands of reaching and navigating such a remote environment. Puerto Bertrand serves as the practical staging point for any trip onto the lake, and travelers arriving by air typically fly into the Balmaceda (BBA) regional airport before making the road transfer south.

The lake has been kayaked, and its character is defined by extreme isolation and wilderness access rather than developed infrastructure. Anyone planning a paddling trip here should be prepared for expedition-style conditions, with no indication of formal put-in facilities, amenities, or rescue services in the immediate area.