Mahalo Trail

Mahalo Trail is a trail on Melemele Island wich leads to Ruins of Island Guardian Tapu Koko.

Geography
The Mahalo Trail is a mountain trail, the path is filled with small statues on the sides and around it, a vegetation composed of palm trees and shrubs of various sizes, the trail is covered by wooden steps. At the end of it is an area composed of a large waterfall running down the left side of the site, and below it a stream, it is possible to traverse this stream with the Plank Bridge from the beginning of the area to the Ruins of Conflict.

Pokémon Sun and Moon
After the player sees Lillie walking up to the trail, it follows her to the bridge where Nebby get off from the Lillie's bag and flies to the middle of the Plank Bridge and its attacked by a bunch of Spearow, Lillie see the player ask he/she to save Nebby, when the player character arrives at the little Cosmog, the Pokémon uses a mysterious power that astonishes the Spearow, but ends up destroying the bridge.

About to fall into the stream, they are saved by Tapu Koko, and the Guardian Deity leave a Sparkling Stone to the player.

After becoming the champion, during the Festival in Iki Town, Lillie wishes to it to go at the Ruins of Conflict to visit Tapu Koko and informs that the bridge has been fixed, pass at Mahalo Trail with Lillie remembering events of the begining of the games.

Pokémon Ultra Sun and Ultra Moon
The first occurrences on the Mahalo Trail in Ultra Sun and Ultra Moon are no different, excluding the moment where the player is attacked by a Spearow when it is about to cross the bridge to save Nebby.

After defeating Gladion at Mount Lanakila, the player can found Lillie and Nebby (now as Solgaleo/Lunala) at Mahalo Trail, Lillie thanks to the player for help Nebby with Necrozma, but she wishes to he/she catch Nebby because she thinks that Necrozma would be much better with it and will no longer fell so much pain. If the player doesn't go to Mahalo Trail before the begining of Team Rainbow Rocket episode, the player will need to finish it in order to Lillie appears on Mahalo Trail again.