diff --git a/www/conservancy/static/404error.html b/www/conservancy/static/404error.html
new file mode 100644
index 0000000000000000000000000000000000000000..05abe70857dc9b0f7947d0979be5c9b8b63a0062
--- /dev/null
+++ b/www/conservancy/static/404error.html
@@ -0,0 +1,10 @@
+{% extends "base_error.html" %}
+{% block content %}
+
+<h1>404 Error</h1>
+
+<p>The page you request at <tt>conservancy.softwarefreedom.org</tt>
+was not found.  Please use the navigation items to find a page that is
+available.</p>
+
+{% endblock %}