A method for mapping a section of a railway track, the method comprising: - acquiring geo-referenced rail geometry data associated with geometries of two rails of the track along the section; - acquiring geo-referenced three-dimensional, 3D, point cloud data, which includes point data corresponding to the two rails and surroundings of the track along the section; - deriving (126, 154) track profiles (128, 156) of the track from the geo-referenced 3D point cloud data and the geo-referenced rail geometry data; - comparing the track profiles from the rail geometry data to the track profiles from the 3D point cloud data and generating enhanced geo-referenced rail geometry data and/or enhanced geo-referenced 3D point cloud data based on the comparison, wherein the geo-referenced 3D point cloud data includes point data corresponding to two further rails along a co-extending section of an adjacent railway track, and wherein the method comprises: - acquiring further geo-referenced rail geometry data associated with geometries of the two further rails of the adjacent railway track; - deriving (127, 154) further track profiles (129, 157) of the adjacent track from the geo-referenced 3D point cloud data and the further geo-referenced rail geometry data; wherein the comparing includes determining distance profiles (162, 164) associated with transverse distances (ΔYc) and/or elevation differences between the track profiles (128, 156) and the further track profiles, and wherein the generating is based on the distance profiles, wherein the track profiles (128, 156) comprise: - a first centerline profile of the track in the geo-referenced rail geometry data; - a second centerline profile of the track in the geo-referenced 3D point cloud data; wherein the further track profiles (129, 157) comprise: - a further centerline profile of the adjacent track in the further geo-referenced rail geometry data; - an adjacent centerline profile of the adjacent track in the geo-referenced 3D point cloud data; and wherein the distance profiles (162, 164) comprise a first distance profile defined between the first centerline profile and the further centerline profile, and a second distance profile defined between the second centerline profile and the adjacent centerline profile, and wherein generating the enhanced geo-referenced rail geometry data includes adjusting geo-reference correspondences for the geo-referenced rail geometry data and the further geo-referenced rail geometry data, so as to let the first distance profile converge towards the second distance profile. - acquiring geo-referenced rail geometry data associated with geometries of two rails of the track along the section; - acquiring geo-referenced three-dimensional, 3D, point cloud data, which includes point data corresponding to the two rails and surroundings of the track along the section; - deriving (126, 154) track profiles (128, 156) of the track from the geo-referenced 3D point cloud data and the geo-referenced rail geometry data; - comparing the track profiles from the rail geometry data to the track profiles from the 3D point cloud data and generating enhanced geo-referenced rail geometry data and/or enhanced geo-referenced 3D point cloud data based on the comparison, wherein the geo-referenced 3D point cloud data includes point data corresponding to two further rails along a co-extending section of an adjacent railway track, and wherein the method comprises: - acquiring further geo-referenced rail geometry data associated with geometries of the two further rails of the adjacent railway track; - deriving (127, 154) further track profiles (129, 157) of the adjacent track from the geo-referenced 3D point cloud data and the further geo-referenced rail geometry data; wherein the comparing includes determining distance profiles (162, 164) associated with transverse distances (ΔYc) and/or elevation differences between the track profiles (128, 156) and the further track profiles, and wherein the generating is based on the distance profiles, wherein the track profiles (128, 156) comprise: - a first centerline profile of the track in the geo-referenced rail geometry data; - a second centerline profile of the track in the geo-referenced 3D point cloud data; - a first centerline profile of the track in the geo-referenced rail geometry data; - a second centerline profile of the track in the geo-referenced 3D point cloud data; wherein the further track profiles (129, 157) comprise: - a further centerline profile of the adjacent track in the further geo-referenced rail geometry data; - an adjacent centerline profile of the adjacent track in the geo-referenced 3D point cloud data; - a further centerline profile of the adjacent track in the further geo-referenced rail geometry data; - an adjacent centerline profile of the adjacent track in the geo-referenced 3D point cloud data; and wherein the distance profiles (162, 164) comprise a first distance profile defined between the first centerline profile and the further centerline profile, and a second distance profile defined between the second centerline profile and the adjacent centerline profile, and wherein generating the enhanced geo-referenced rail geometry data includes adjusting geo-reference correspondences for the geo-referenced rail geometry data and the further geo-referenced rail geometry data, so as to let the first distance profile converge towards the second distance profile.