Download Contour lines vector tiles of Iowa. Contour lines are only between zoom 9 and 14. The detailed contour lines available for the whole planet are derived from the global elevation data composed from several Open Data sources.
Zoom in to preview the details of this tileset. Provided area is marked with a rectangle.
We have processed the contour lines for the whole planet in a vector format and turned it into ready-to-use vector tiles which you can easily include in your map and style it according to your needs. The data is available as MBTiles package - in the same format as our OpenStreetMap vector tiles, so you can host them on the same servers as OSM vector tiles.