Might want to use metal behemoth dinosaur gateways (WITH DOORS) and stack up on shocking tranq darts (150-200 I sideral for high levels), and make sure to have at least 1-2 Ascendant Longneck Rifles because they will break easily. Also, make sure to have a Argentavis in case you need to leave, and a cryptic because it might get stuck somewhere odd.

More Giganotosaurus Taming & KO Tips