When to use it

You want the elevation model itself for GIS, CAD, drainage or structural software.
You want to 3D print a block, a mountain or a coastline.
You want contours in a specific format without generating them on screen first.

How to use it

Select a property, draw an area or upload a boundary.
Choose the product: contours, a DEM raster or a mesh, and the format.
Set the contour interval or the mesh options where they apply, then download.

How it works

The 1 m LiDAR bare-earth model is loaded for the area, resampled to fit the export size cap, and written in the chosen format in the browser. The GeoTIFF is georeferenced in Web Mercator with a no-data value for gaps. Meshes are built from the same grid with a base so they print as a solid.

Every file names the LiDAR survey and its licensor in its metadata or an accompanying attribution.

Reading the results

The panel shows the output resolution before you download. A small site is delivered at 1 m; a 12 km area at roughly 12 m per pixel.

The share of the area that came from the 8 m fallback is reported, and the file is not survey grade where that share is high.

Limits and warnings

Areas up to 12 km across.
Exports are capped at 1024 pixels on the longest side. Select a smaller area when you need full detail.
The files are yours to use commercially under CC BY 4.0, with the licensor credited.

Data and attribution

Results come from the LINZ national 1 m LiDAR bare-earth elevation model, read in your browser, with the national 8 m model filling any gaps. Tools that use the surface model (Sunlight, Viewshed, Object Heights) read the matching LiDAR surface tiles.

Elevation and cadastral data is sourced from the LINZ Data Service and licensed for re-use under the Creative Commons Attribution 4.0 International licence. Copyright in each LiDAR survey belongs to the body that commissioned it — a regional or district council, Waka Kotahi, NIWA and around thirty others — rather than to LINZ, which hosts and processes the national dataset. Every file exported from this site names the licensors whose surveys cover the area, and anything you publish from those files carries the same attribution requirement. See https://www.linz.govt.nz/products-services/data/licensing-and-using-data/attributing-elevation-or-aerial-imagery-data

Contour Lines — Draws topographic contours at any interval from 0.5 m upward across your area and exports them for GIS, CAD, Google Earth, print or laser cutting.
Terrain Stats — Summarises the minimum, maximum, mean and range of ground elevation across an area, with a chart of how much land sits at each height.
Elevate a File — Adds accurate ground elevation to the coordinates in a GPX, KML, GeoJSON, JSON or CSV file you already have, replacing missing or noisy GPS altitude.

Guides

Download Data