Invisible Road

The Invisible Road is a road introduced in Season 1.

Overview
The Invisible Road is a road composed of old corridors that connects Alfea, Cloud Tower, and Red Fountain. It also passes Black Mud Swamp. Because he often followed the Trix, Knut became familiar with this road.

Season 1
In "Alfea College for Fairies," the road is seen when the Trix go down the road to spoil the annual meeting of Alfea and Red Fountain.

In "Mission at Cloudtower," the Winx use the road to get to Cloud Tower in a mission to get Stella's ring back.

In "Storming Cloudtower," it is seen when Bloom, accompanied by Stella, Brandon, Sky, and Knut travel down this road in order to get into Cloud Tower and get the Dragon's Flame back.