Here is the full list of all 43 The Pathless achievements.
Collect all achievements.
Reach the highest updraft above the mountain.
Complete the game and view the credits.
Witness the extended ending.
Collect the gift from every spirit.
Obtain the Gift of the Bear Spirit.
Cleanse the Mountain Tundra.
Collect all the lightstones.
Collect all the Bear lightstones.
Find all the lore of the Pathfinder's story.
Get 10 flaps.
Reach the observatory.
Obtain the Gift of the Snake Spirit.
Collect all the Snake lightstones.
Cleanse the Great Plains.
Fall 150 meters without gliding and land hard.
Discover 45 lanterns.
Complete the puzzle at the Bathhouse.
Obtain the Gift of the Lizard Spirit.
Slide 400 meters down a steep slope.
Collect all the Lizard lightstones.
Reach the old fortress.
Fly for over a minute without touching an updraft.
Obtain the Gift of the Elk Spirit.
Collect all the Elk lightstones.
Discover 30 lanterns.
Cleanse the Redwood Steppe.
Discover 45 lore messages.
Complete the puzzle at the Textile Workshop.
Bounce an arrow off two mirrors.
Drift 300 meters down a river.
Discover 15 lanterns.
Discover 30 lore messages.
Run with 6 animals.
Chain 10 skill shots in a row.
Shoot 1,000 talismans.
Cleanse the Forest Plateau.
Survive 3 storm encounters unscathed.
Pet the eagle 4 times.
Complete the puzzle at the Monastery.
Discover 15 lore messages.
Shoot 5 talismans while airborne before touching the ground.
Reach the mainland.