Most Psychedelic Led Zeppelin SongsThey weren't a primarily psychedelic band, but some of their stuff has psychedelic elements that can be easily picked out.
The Top Ten Most Psychedelic Led Zeppelin Songs
It almost has a Pink Floyd vibe to it. - Metarock
Mainly for the middle section - LizardKing99
The Guitar solo in this song sounds pretty Psychedelic to me.
Anything from the late 60s with an extended drum solo is almost always Psychedelic. This song is no exception.