diff --git a/map/domon/thuruha.geojson b/map/domon/thuruha.geojson
new file mode 100644
index 0000000..367a99e
--- /dev/null
+++ b/map/domon/thuruha.geojson
@@ -0,0 +1,63 @@
+var triangle =
+{
+  "type": "FeatureCollection",
+  "features": [
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "ツルハまでの道のり"
+      },
+      "geometry": {
+        "type": "LineString",
+        "coordinates": [
+          [
+            139.816818,
+            38.903458
+          ],
+          [
+            139.817762,
+            38.901337
+          ],
+          [
+            139.818964,
+            38.898765
+          ],
+          [
+            139.819994,
+            38.896744
+          ],
+          [
+            139.820037,
+            38.893588
+          ]
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "ツルハ薬局宮野浦店"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.816582,
+          38.903441
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "東北公益文科大学"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.819543,
+          38.893454
+        ]
+      }
+    }
+  ]
+}