diff --git a/app/controllers/mentoring/requests_controller.rb b/app/controllers/mentoring/requests_controller.rb
index 82c58c733f..83c902c98c 100644
--- a/app/controllers/mentoring/requests_controller.rb
+++ b/app/controllers/mentoring/requests_controller.rb
@@ -22,10 +22,6 @@ def show
     end
   end
 
-  def unavailable
-    render status: :not_found
-  end
-
   private
   def use_mentor_request
     @mentor_request = Mentor::Request.find_by!(uuid: params[:uuid])
diff --git a/app/views/mentoring/requests/unavailable.html.haml b/app/views/mentoring/requests/unavailable.html.haml
index d95db20856..c47b4ead8c 100644
--- a/app/views/mentoring/requests/unavailable.html.haml
+++ b/app/views/mentoring/requests/unavailable.html.haml
@@ -1,3 +1,5 @@
-Unavailable.
-
-= link_to "Back to list", mentoring_queue_path
+#page-mentoring-unavailable
+  .lg-container.flex.flex-col.items-center.c-shapes.c-shapes-1
+    = graphical_icon "error-404", category: :graphics, css_class: 'w-[120px] h-[120px] mb-24'
+    %h1.text-h1.mb-16= t('.unavailable')
+    = link_to t('.back_to_list'), mentoring_queue_path, class: 'btn-primary btn-l'
diff --git a/config/locales/mentoring.en.yml b/config/locales/mentoring.en.yml
new file mode 100644
index 0000000000..8088364eaf
--- /dev/null
+++ b/config/locales/mentoring.en.yml
@@ -0,0 +1,6 @@
+en:
+  mentoring:
+    requests:
+      unavailable:
+        unavailable: "Sorry, this mentoring session is no longer available"
+        back_to_list: "Back to list"
\ No newline at end of file
diff --git a/test/controllers/mentoring/requests_controller_test.rb b/test/controllers/mentoring/requests_controller_test.rb
index 845fe240c9..5f8ac2ccb2 100644
--- a/test/controllers/mentoring/requests_controller_test.rb
+++ b/test/controllers/mentoring/requests_controller_test.rb
@@ -72,4 +72,17 @@ class Mentoring::RequestsControllerTest < ActionDispatch::IntegrationTest
     get mentoring_request_path(request)
     assert_redirected_to unavailable_mentoring_request_path(request)
   end
+
+  test "unavailable action renders properly" do
+    mentor = create :user
+    sign_in!(mentor)
+
+    request = create :mentor_request
+
+    get unavailable_mentoring_request_path(request)
+    assert_response :success
+    assert_select "#page-mentoring-unavailable"
+    assert_select "h1", text: "Sorry, this mentoring session is no longer available"
+    assert_select "a.btn-primary", text: "Back to list"
+  end
 end