diff --git a/breccia_mapper/templates/404.html b/breccia_mapper/templates/404.html
new file mode 100644
index 0000000..17ba7e1
--- /dev/null
+++ b/breccia_mapper/templates/404.html
@@ -0,0 +1,7 @@
+{% extends 'base.html' %}
+
+{% block content %}
+<h2>Error 404: Page not Found</h2>
+
+<p>Sorry, we can't find that page. Click <a href="{% url 'index' %}">here</a> to go home.</p>
+{% endblock content %}
\ No newline at end of file