Go to the desired location in the map, set two markers by clicking the map to define a rectangle (or enter coordinates manually). Click the button [get data]. Optionally you can change the number of elevation samples you want in each direction, the more the better (max 400). You can also change the number of contours or set custom contour values. You can save some data in cookies, however there is a limit. Use the manual saving text areas below alternatively.
This service comes without any warranty whatsoever, including but not limited to functioning or correctness.
Resources: This service uses ArcGIS Map by Esri, the OpenStreetMap, Geocoding by Nominatim, Mapzen, Leaflet, jQuery and the CONREC contouring algorithm by Paul Bourke and Jason Davies.
If you want to have the contour maps as an individual layer (e.g. to create overlays) you can copy the code underneath the image below and save it as an svg file. Please note, as for now, the drawing below is square and you may want to stretch it to cover the actual area in a map.
The phrase "Font Substitution Will Occur" is a warning message commonly encountered by designers who use third-party sites like
Verify license for intended use (commercial, embedding).
Inspect glyph coverage for required languages/characters.
Test rendering in all target environments.
Provide CSS fallback and consider system fonts for body copy where reliability matters.
Embed fonts in final deliverables (PDF, packaged app) when consistent output is critical.
What Does "Font Substitution" Actually Mean?
At its core, font substitution occurs when a computer or software program tries to open a document but cannot locate the specific font file requested by that document.
Download and install the font despite the warning.
Open Windows Character Map (charmap.exe) or macOS Character Viewer.
Select the problematic font from the dropdown in Character Map.
Click on the letters/characters you want. Copy them to your clipboard.
Paste them into Photoshop, Word, or Cricut.
Result: Your computer will automatically replace (substitute) the missing characters with a default fallback font (e.g., Arial, Times New Roman, Segoe UI).
Appearance: The font may look correct for some letters, but certain characters (often accented letters, special symbols, or non-English glyphs) will appear in a different, mismatched style.
The phrase "Font Substitution Will Occur" is a warning message commonly encountered by designers who use third-party sites like
Verify license for intended use (commercial, embedding).
Inspect glyph coverage for required languages/characters.
Test rendering in all target environments.
Provide CSS fallback and consider system fonts for body copy where reliability matters.
Embed fonts in final deliverables (PDF, packaged app) when consistent output is critical.
What Does "Font Substitution" Actually Mean?
At its core, font substitution occurs when a computer or software program tries to open a document but cannot locate the specific font file requested by that document.
Download and install the font despite the warning.
Open Windows Character Map (charmap.exe) or macOS Character Viewer.
Select the problematic font from the dropdown in Character Map.
Click on the letters/characters you want. Copy them to your clipboard.
Paste them into Photoshop, Word, or Cricut.
Result: Your computer will automatically replace (substitute) the missing characters with a default fallback font (e.g., Arial, Times New Roman, Segoe UI).
Appearance: The font may look correct for some letters, but certain characters (often accented letters, special symbols, or non-English glyphs) will appear in a different, mismatched style.