diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 532e0404e..801a1d07a 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -270,6 +270,7 @@ All definitions files include a header with the author and editors, so at some p
 * [Raphael](http://raphaeljs.com/) (by [CheCoxshall](https://github.com/CheCoxshall))
 * [Restangular](https://github.com/mgonto/restangular/) (by [Boris Yankov](https://github.com/borisyankov))
 * [require.js](http://requirejs.org/) (by [Josh Baldwin](https://github.com/jbaldwin/))
+* [rtree.js] (https://github.com/leaflet-extras/RTree) (by [Omede Firouz](https://github.com/oefirouz))
 * [Sammy.js](http://sammyjs.org/) (by [Boris Yankov](https://github.com/borisyankov))
 * [Select2](http://ivaynberg.github.com/select2/) (by [Boris Yankov](https://github.com/borisyankov))
 * [Selenium WebDriverJS](https://code.google.com/p/selenium/) (by [Bill Armstrong](https://github.com/BillArmstrong))
diff --git a/rtree/rtree-tests.ts b/rtree/rtree-tests.ts
new file mode 100644
index 000000000..67d35a4e6
--- /dev/null
+++ b/rtree/rtree-tests.ts
@@ -0,0 +1,13 @@
+/// <reference path="rtree.d.ts"/>
+
+var myRTree = RTree(5);
+var el = "test";
+
+myRTree.insert({x: 0, y: 0, w: 1, h: 1}, el);
+
+var intersections = myRTree.search({x: 0.5, y: 0.5, w: 1, h: 1});
+
+intersections = myRTree.remove({x: 0.5, y: 0.5, w: 1, h: 1}, "notTest!");
+
+intersections = myRTree.remove({x: 0.5, y: 0.5, w: 1, h: 1});
+
diff --git a/rtree/rtree.d.ts b/rtree/rtree.d.ts
new file mode 100644
index 000000000..fa6276c6e
--- /dev/null
+++ b/rtree/rtree.d.ts
@@ -0,0 +1,25 @@
+// Type definitions for rtree 1.4.0
+// Project: https://github.com/leaflet-extras/RTree 
+// Definitions by: Omede Firouz <https://github.com/oefirouz>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+interface Rectangle {
+    x: number;
+    y: number;
+    w: number;
+    h: number;
+}
+
+interface RTreeStatic {
+    insert(bounds: Rectangle, element: Object): boolean;
+    remove(area: Rectangle, element?: Object): any[];
+    geoJSON(geoJSON: any): void;
+    bbox(arg1: any, arg2?: any, arg3?: number, arg4?: number): any[];
+    search(area: Rectangle, return_node?: boolean, return_array?: any[]): any[];
+}
+
+interface RTreeFactory {
+    (max_node_width?: number): RTreeStatic;
+}
+
+declare var RTree: RTreeFactory;