Jump to grab the crevice in the rock and jump up two more times to grab the next two crevices.

Traverse to the right and jump to grab the next two crevices above.

Jump to the right to grab the handhold which is a bit upwards.

Jump up three more times to grab the topmost handhold and shimmy right. When you reach the end, jump to grab the handhold on the next wall to the right.

Traverse towards the cave and drop down. Pick up the Treasure (1/4).