evidence: Additionally, within the Santa Cruz province, there are a number of protected areas, including Patagonia National Park (Parque Nacional Patagonia), Perito Moreno National Park (Parque Nacional Perito Moreno), Lago del Desierto Provincial Reserve (Reserva Provincial Lago del Desierto), Los Glaciares National Park (Parque Nacional Los Glaciares), and Monte León National Park (Parque Nacional Monte León). [...] To this day there is still a section of border between Chile and Argentina that is up for dispute. A vast section of the Southern Patagonian Ice Field that both countries claim as their own. This region spans from Monte Fitz Roy to Cerro Murallón. [...] Situated along the east coast of the Santa Cruz province lies Monte León National Park. The park was established to help preserve the biodiversity of the region as well as protect numerous paleontological sites.