Below is a guide on the location of the containers around the Pentelas Region in Xenoblade Chronicles 3.
Urayan Tunnels
Gemstone x3
Elevator No. 1 – Southwest of the Garf Mine Track
Nopon Coin (Silver) x2
Elevator No. 1 – Just south of the above container
Gemstone x3
Mine No. 1 – At the bottom of Elevator No. 1
Nopon Coin (Silver) x2
South of Ruins of Seebu Camp
Gemstone x3
East of Ore Stockpile landmark
Gemstone x3
Southwest of Ore Stockpile landmark
Gemstone x3
South of Stoneyard landmark
Pure Gemstone x3, Optical Headband
Ruins of Seebu – Southwest of the Ruins of Seebu Camp; rope slide to reach it
Spiked Pauldrons, Pure Gemstone x2
Directly south of the Stoneyard landmark; To reach it you’ll have to go south from the Ruins of Seebu Camp rest spot then use the rope slide twice!
Pure Gemstone x2, Ultra Aural Sensor
Southeast of the Ore Stockpile landmark in a little cave
Nopon Coin (Silver) x5
Guarded by the unique enemy Gracious Titania (Level 50); To reach it, start at the Ruins of Seebu Camp rest spot then head south and use the rope slide to the southeast of this rest spot. Take the next rope slide and jump off midway to the lower area to reach the container!
Great Cotte Falls
Master Spanner, Gemstone x3
South of Aquifer Exhaust
Nopon Coin (Silver) x2
Colony Lambda – On the northwestern side of Colony Lambda in a storage unit that you have to open
Nopon Coin (Silver) x2
Colony Lambda – Southeast of the Clearwater Shelf landmark
Gemstone x3, Trusty Hunter’s Tool
Colony Lambda – North of the Clearwater Shelf landmark behind the commander’s tent
Nopon Coin (Silver) x5
Colony Lambda – North of the Clearwater Shelf landmark near the water
Nopon Coin (Silver) x2
Cave at Pira Bluffs – On ledge near entrance
Nopon Coin (Silver) x2
Second Cataract – Northeast of Aquifer Exhaust above Colony Lambda
Nopon Coin (Gold), Pure Gemstone and other misc items!
Cascade Ferronis Hulk
Gemstone x3
Northwest of Cascade Ferronis Hulk near Cotte Trick Ruins
Gemstone x4, Warrior’s Armlet
West of Cascade Ferronis Hulk in middle of lake near Cotte Trick Ruins
Nopon Coin (Gold)
Northwest of Cascade Ferronis Hulk in the Cotte Trick Ruins
Gemstone x4, White Wraps
South of Cascade Ferronis Hulk
Pure Gemstone x3, Luminous Memory
Northwest of Cotte Fountainhead, which is northwest of Colony Tau Entrance. To reach the secret area, you’ll have to head north from the Vista of Rhonnar landmark and take the rope slide north. This will bring you to a long root that will take you south through some high level enemies, leading you to the area.
Old Cliffside Way
All-Terrain Cart, Gemstone x3
Northeast of Old Way Camp on a higher walkway
High Maktha Wildwood
Burned Rice Sugar, Pure Gemstone
Southeast of Vista Rhonnar just outside of Colony Tau
All-Terrain Cart, Pure Gemstone
Colony Tau – Southwestern corner of the colony
Nopon Coin (Silver) x5
Northwest of Colony Tau Entrance; reachable via rope sliding
Pure Gemstone, Burned Rice Sugar
Colony Tau – At the Colony Tau Watchtower landmark; To find this landmark, you’ll need to climb up a tree root to reach the Ferronis’ arm. From there, you can make your way up to the tower.
Nopon Coin (Silver) x5
North of Vista of Rhonnar landmark
Nopoon Coin (Silver) x2
Yellowgrove – South of Sparkling Pool Camp landmark in a tree
Nopon Coin (Silver) x5
Tirkinhold – East of Sparkling Pool Camp rest spot
Pure Gemstone x2, Iron Misanga
Archaic Tower – At Tower Camp rest spot
Nopon Coin (Silver) x2
Archaic Tower – From the Tower Camp rest spot, head south to the ledge then follow the path left to find the container at the end
Pure Gemstone
Runo Ruins – East of Tower Camp rest spot
Lazure Vambraces, Pure Gemstone x2
Engardo Pass – North of Engardo Pass Camp rest spot
Nopon Coin (Silver) x2
Engardo Pass – Just west of Engardo Pass Camp rest spot
Low Maktha Wildwood
Nopon Coin (Silver) x5
Just south of the Warning Tree landmark
Nopon Coin (Silver) x2
In Gingin’s Treehouse
Cosmos Anklets, Ultra Pure Gemstone x4
In the Ancient Storehouse
Ultra Pure Gemstone x2
To the far south of the Warning Tree landmark along the map’s edge
Ultra Pure Gemstone x4, Metal Foot Protector
Next to the Cross-Maktha Elevator directly south of the Warning Tree landmark along the map’s edge
Ultra Pure Gemstone x3, Champion Belt
Southeast of the Warning Tree landmark
Urayan Trail
Pure Gemstone x2
Mountain Front: Keves – Northwest of Engardo Pass Camp rest spot
Pure Gemstone x2
Mountain Front: Agnus – Northwest of Engardo Pass Camp rest spot
Nopon Coin (Silver) x2
Northwest of Tower Camp reachable via the climbing wall with purple vines
Pure Gemstone x3, Jade Support
Along the map’s edge, southeast of the Clifftop Ferronis Hulk rest spot
Pure Gemstone x2,3, Circlet of Wisdom
Loska Plateau – In a container south of the Bloodsucking Elvis unique enemy which is south of Pelza’s Pass landmark after completing Side Story: Eunie