diff --git a/minigrida/loader/coord_tiles.py b/minigrida/loader/coord_tiles.py
new file mode 100644
index 0000000..d24a4aa
--- /dev/null
+++ b/minigrida/loader/coord_tiles.py
@@ -0,0 +1,36 @@
+#!/usr/bin/env python
+# file coord_tiles.py
+# author Florent Guiotte <florent.guiotte@irisa.fr>
+# version 0.0
+# date 29 mai 2020
+"""Abstract
+
+doc.
+"""
+
+from pathlib import Path
+import rasterio as rio
+import logging
+
+log = logging.getLogger()
+
+
+def run(rasters_path, rasters_name, gt_suffix='gt.tif'):
+    gt_names = list(Path(rasters_path).glob('*' + gt_suffix))
+    log.info('Found {} ground truth tiles.'.format(len(gt_names)))
+
+    gt = []
+    rasters = []
+
+    for gtn in gt_names:
+        print(gtn)
+        gt += [load_tif(gtn)]
+
+        rasters += [{Path(n).stem: load_tif(gtn.as_posix().strip(gt_suffix) + n)
+                     for n in rasters_name}]
+
+    return gt, rasters
+
+
+def load_tif(path):
+    return rio.open(str(path)).read()[0]