voluminous

(s) large in volume or bulk
- a voluminous skirt
(s) marked by repeated turns and bends
- a tortuous road up the mountain
- winding roads are full of surprises
- had to steer the car down a twisty track
twisting, twisty, winding, tortuous,
(s) large in number or quantity (especially of discourse)
- she took copious notes
- a subject of voluminous legislation
copious,

twisting twisty winding tortuous copious

voluminousness