What distracts the dwarfs from following path through Mirkwood?

The dwarves are distracted from following the path through Mirkwood by the enchanting beauty of the forest. This isn't an intentional distraction, but rather the natural allure of Mirkwood's deceptive beauty. The forest's alluring features include:

* The light: Mirkwood is described as having a "dim, green light," which is captivating and unusual compared to the usual gloom of forests.

* The flowers: The forest is filled with "strange, beautiful flowers" that are impossible to resist.

* The birdsong: The dwarves are mesmerized by the enchanting birdsong, which is unlike anything they've heard before.

This captivating beauty leads the dwarves to wander from the path, becoming increasingly lost and vulnerable to the dangers of the forest, such as the spiders and the elves.