Can Gyarados Learn Surf?

Again, Surf is a no-brainer for any Water type, but Gyarados can actually also learn Thunder and Blizzard -- which makes it a deadly opponent for any Flying, Dragon, Ground, Grass or Water type.

Can Gyarados learn surf and waterfall?

For HM items, Gyarados can learn moves from HMs three to seven, which are Surf, Strength, Waterfall, Rock Smash and Dive. Gyarados is also compatible with a large number of TM items, including Blizzard, Ice Beam, Thunderbolt and Earthquake.

Can Gen 4 Gyarados learn fly?

#5 - Gyarados

Prior to Generation IV, Gyarados could not learn any Flying-type moves despite being a Water/Flying Pokemon. It couldn't actually learn a Flying-type move (Hurricane) until Generation VII by leveling up or by TM. A move tutor could teach it Bounce from Gen IV onward.