A drive device for a surfboard , in particular for snow, where the surfboard comprises: - a first zone (z) for fastening the feet, located substantially on a first half of the board, the perpendicular of the board at the first zone (z) with a first axis (A), longitudinally passing through the board in the center of gravity thereof, forming a first plane (P) with the first axis; and - a second zone (z') for fastening the feet, located substantially on a second half of the board, the perpendicular of the board at the second zone (z') with the first axis (A) forming a second plane (P') with the first axis, the drive device comprising: - a first connecting element intended to be connected to the board at a first end by a first base at the first zone (z) and constrained at least parallel to the first plane (P) in a first point (o') at a second end when the first connecting element is connected to the board ; - a second connecting element intended to be connected to the board at a third end by a second base at the second zone (z') and constrained at least parallel to the second plane (P') in a second point (o) at a fourth end when the second connecting element is connected to the board ; - a warping element connected to the first connecting element at least at the first point (o'), to the second connecting element at least at the second point (o), and maintaining a fixed and predetermined distance between the first and second points (o', o), the free mobilization of the warping element imposing an offset of the second point (o) relative to the first plane (P) and of the first point (o') relative to the second plane (P'); wherein the warping element is pivotally connected to the second connecting element about a second axis (E) containing the second point (o), and can freely pivot about the second axis (E) according to an angular sector of at least 2°, characterized in that the warping element is pivotally connected to the first connecting element about a third axis of rotation (D) containing the first point (o'), the second axis (E) and the third axis (D) having an angle (g) of at least 2° between them. - a first zone (z) for fastening the feet, located substantially on a first half of the board, the perpendicular of the board at the first zone (z) with a first axis (A), longitudinally passing through the board in the center of gravity thereof, forming a first plane (P) with the first axis; and - a second zone (z') for fastening the feet, located substantially on a second half of the board, the perpendicular of the board at the second zone (z') with the first axis (A) forming a second plane (P') with the first axis, - a first connecting element intended to be connected to the board at a first end by a first base at the first zone (z) and constrained at least parallel to the first plane (P) in a first point (o') at a second end when the first connecting element is connected to the board ; - a second connecting element intended to be connected to the board at a third end by a second base at the second zone (z') and constrained at least parallel to the second plane (P') in a second point (o) at a fourth end when the second connecting element is connected to the board ; - a warping element connected to the first connecting element at least at the first point (o'), to the second connecting element at least at the second point (o), and maintaining a fixed and predetermined distance between the first and second points (o', o), the free mobilization of the warping element imposing an offset of the second point (o) relative to the first plane (P) and of the first point (o') relative to the second plane (P'); <EOS>