Ropes can be used for a variety of purposes. Some examples include:
Afflicted by the Werewolf's Curse, Arnon is found bound by rope in the Temple of Shintal.
The homes in Treetop Village are connected to each other with rope bridges.
Entering the realm of Kethra, you find floating stone islands all connected with ropes and vines.
A rope is found hanging in the dry well, allowing you to lower yourself to the passages below.
While visiting Hornhelm, locals there gift you with a length of rope. It is a symbolic gift.
Using a rope and various items, you attempt to go fishing at Dunshab Lakebed. You are met with limited success.
You will need some rope to lift the giant iron lid in the Saurian Wasteland.
Eklar and Zerith use a rope to scale down the icy walls of the Scrying Pool as they search for historical answers.