You finally reach the top of the mountain, and Condé has a surprising encounter. You enter the rift on the mountain.
Explore Stilled Hebra Mountain
Go north onto the clouds. Defeat the Tornandos and continue going north. When you can't go farther north, go west, and defeat the Ghirro. Get close to one of the small, shimmering clouds and learn the Cloud echo.
Go west and you can create a cloud to reach the chest. It contains a monster stone.
Go back east, then go north, then west. Go north from there and enter the cave.
Go downward and use clouds to go to the right. Defeat the Ghirros along the way. You can reach a chest above you if you make a cloud, jump on it, make another cloud to the left or right, jump on it, and so on. Bomb the blocks to the right of the chest, then open the chest to get 3 warm peppers.
Down and to the right, open the chest to get 20 rupees.
Use clouds to keep going to the right. Defeat one of the slugs on the rock walls and learn the Freeze Slug echo. Then climb up the rock walls and go up the ladder on the right.
Stilled Holy Mount Lanayru
Check on the waypoint. Then use echoes to go south, then east. Use echoes to go to the top of the cliff, or go south and then east and then north.
You can go west to where there is some water, and there is a cave north of the water. If you use clouds to go north over the big hole in the cave, you find a chest that contains 50 rupees.
Exit the cave, then go east past the water. There is some grass in front of the cliff, and if you move the right stick to look north, you see a gap in the ice pillars at the top of the cliff. Create water blocks to float up to the top of the cliff. Then go northwest to a rock wall. Climb up it, then go northeast and into the large cave entrance.
Go north and there will be a cutscene. Go east, then north through the door. You will be in Lanayru Temple.