The county council says no-one is believed to have been injured when the tree fell on the road.
The alarm was raised when a group failed to return to the surface on Tuesday night.
Derbyshire 4x4 Response says its volunteers received abuse from some spectators at last year's event.
Natalie Bowler said paramedics picked glass out of her hands and from her face afterwards.
Paul Lill's vessel was the pick of the bunch, while his son Brandon placed fourth in the boat competition.
The 2025 parade takes place for the first time and will continue until late October.
Two unisex facilities are now up and running in Ashbourne and Matlock Dale.
The lights were removed for the Easter weekend to minimise disruption for drivers.
The event was cancelled in 2023 but returned this Boxing Day with 117 rafters taking part.
