diff --git a/src/osm/jp/postgis/UnMapped.java b/src/osm/jp/postgis/UnMapped.java
index 93aadcc..87c6d80 100644
--- a/src/osm/jp/postgis/UnMapped.java
+++ b/src/osm/jp/postgis/UnMapped.java
@@ -30,6 +30,7 @@
 public class UnMapped {
     ToPostgis type;
     String dbname;
+    public static final int MAX_DATA_COUNT = 300;
     
     @SuppressWarnings({"UseSpecificCatch", "CallToPrintStackTrace"})
     public static void main(String[] args) {
@@ -112,6 +113,7 @@
     public UnMapped toKml (File kmlFile, String name, double lat0, double lon0, double km) 
         throws FileNotFoundException, ClassNotFoundException, SQLException, IOException, ParserConfigurationException, SAXException 
     {
+        int count = 0;
         try (Connection conPost = DatabaseTool.openDb(Coverage.DB_PORP_GISDB);
             BufferedWriter ow = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(kmlFile), "UTF-8")))
         {
@@ -165,10 +167,13 @@
                                 double lon = Double.parseDouble(lonStr);
                                 double dd = Japan.distanceKm(lat0,lon0,lat,lon);
                                 if (dd < km) {
-                                    String poiname = String.format("%02d - %s", area, gmlid);
-                                    String color = decideColor(fixed);
-                                    ow.write(getStringPlacemark(poiname, latStr, lonStr, color));
-                                    ow.newLine();
+                                    count++;
+                                    if (count <= MAX_DATA_COUNT) {
+                                        String poiname = String.format("%02d - %s", area, gmlid);
+                                        String color = decideColor(fixed);
+                                        ow.write(getStringPlacemark(poiname, latStr, lonStr, color));
+                                        ow.newLine();
+                                    }
                                 }
                             }
                         }