diff --git a/.gitignore b/.gitignore
index cbcc048..b75fa78 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 pbf/*.pbf
 pbf/*.poly
 pbf/shp/*
+pbf/*.tif
 tiles/*
 !tiles/.gitkeep
 database/*
diff --git a/README.md b/README.md
index a8f455a..288428e 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,14 @@ Download the 2 following zip files, unzip them, and place them in the `pbf/shp`
 Also, rename them as in the zip file, so simplified-land-polygons-complete-3857.shp and land-polygons-split-3857.shp.
 
 
+##### Contour lines
+
+http://opendata.champs-libres.be/beautiful-contour-belgium.zip
+
+#### Hillshade
+
+Download the hillshade at http://opendata.champs-libres.be/hillshade_belgium_EPSG3857.zip and place the tif file in the pdf folder, as mounted in the `docker-compose.yml` file.
+
 
 #### Do an import
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 644a438..7b26a0c 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -12,6 +12,7 @@ services:
       - ./pbf/luxembourg-latest.osm.pbf:/data/region.osm.pbf # change here your pbf
       - ./pbf/luxembourg.poly:/data/region.poly # and your poly
       - ./pbf/shp/:/data/shp/
+      - ./pbf/hillshade.tif:/data/hillshade.tif
     ports:
       - "8080:80"
     command: "run"
diff --git a/run.sh b/run.sh
index 4e5f32b..449fbe1 100755
--- a/run.sh
+++ b/run.sh
@@ -28,6 +28,11 @@ function compileStyle() {
     sed -i 's/"Noto Sans Tibetan Regular",//g' ./cyclosm-cartocss-style/fonts.mss
     sed -i 's/"Noto Sans Tibetan Bold",//g' ./cyclosm-cartocss-style/fonts.mss
     sed -i 's/Noto Sans Syriac Eastern Regular/Noto Sans Syriac Regular/g' ./cyclosm-cartocss-style/fonts.mss
+    # change hillshade
+    sed -i 's/*extents84/*extents/g' ./cyclosm-cartocss-style/project.mml
+    sed -i 's,dem/shade.vrt,/data/hillshade.tif,g' ./cyclosm-cartocss-style/project.mml
+    sed -z 's/status: off\n- id: contours100/status: on\n- id: contours100/' -i ./cyclosm-cartocss-style/project.mml
+
     # carto build
     carto cyclosm-cartocss-style/project.mml > mapnik.xml
 }