Maikiuants, perched high in Ecuador’s southeastern Amazon highlands near the Peruvian border, sits atop copper-rich ground now claimed by Solaris Resources, a Canadian mining company seeking to gash an open-pit mine into these mountains. If extraction moves forward, the forest Jhostin and Olger were walking through—home to endangered species, waterfalls, medicinal plants, generations of Indigenous knowledge and undiscovered beings—could be permanently altered.