diff --git a/app/assets/javascripts/discourse/models/topic.js b/app/assets/javascripts/discourse/models/topic.js
index 5513e4c1a2e..867bd5db1be 100644
--- a/app/assets/javascripts/discourse/models/topic.js
+++ b/app/assets/javascripts/discourse/models/topic.js
@@ -69,7 +69,11 @@ Discourse.Topic = Discourse.Model.extend({
   urlForPostNumber: function(postNumber) {
     var url = this.get('url');
     if (postNumber && (postNumber > 1)) {
-      url += "/" + postNumber;
+      if (postNumber >= this.get('highest_post_number')) {
+        url += "/last";
+      } else {
+        url += "/" + postNumber;
+      }
     }
     return url;
   },
diff --git a/app/assets/javascripts/discourse/routes/topic_from_params_route.js b/app/assets/javascripts/discourse/routes/topic_from_params_route.js
index 248de7f3c62..c6314834b1a 100644
--- a/app/assets/javascripts/discourse/routes/topic_from_params_route.js
+++ b/app/assets/javascripts/discourse/routes/topic_from_params_route.js
@@ -33,6 +33,9 @@ Discourse.TopicFromParamsRoute = Discourse.Route.extend({
     var topicController = this.controllerFor('topic'),
         composerController = this.controllerFor('composer');
 
+    // I sincerely hope no topic gets this many posts
+    if (params.nearPost === "last") { params.nearPost = 999999999; }
+
     postStream.refresh(params).then(function () {
       // The post we requested might not exist. Let's find the closest post
       var closest = postStream.closestPostNumberFor(params.nearPost) || 1;
diff --git a/config/routes.rb b/config/routes.rb
index f782d0b74e6..08b4903eb92 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -271,9 +271,11 @@ Discourse::Application.routes.draw do
   put "t/:topic_id/remove-allowed-user" => "topics#remove_allowed_user", constraints: {topic_id: /\d+/}
   put "t/:topic_id/recover" => "topics#recover", constraints: {topic_id: /\d+/}
   get "t/:topic_id/:post_number" => "topics#show", constraints: {topic_id: /\d+/, post_number: /\d+/}
+  get "t/:topic_id/last" => "topics#show", post_number: 99999999, constraints: {topic_id: /\d+/}
   get "t/:slug/:topic_id.rss" => "topics#feed", format: :rss, constraints: {topic_id: /\d+/}
   get "t/:slug/:topic_id" => "topics#show", constraints: {topic_id: /\d+/}
   get "t/:slug/:topic_id/:post_number" => "topics#show", constraints: {topic_id: /\d+/, post_number: /\d+/}
+  get "t/:slug/:topic_id/last" => "topics#show", post_number: 99999999, constraints: {topic_id: /\d+/}
   get "t/:topic_id/posts" => "topics#posts", constraints: {topic_id: /\d+/}
   post "t/:topic_id/timings" => "topics#timings", constraints: {topic_id: /\d+/}
   post "t/:topic_id/invite" => "topics#invite", constraints: {topic_id: /\d+/}