diff --git a/cave_data/1623-2018-NTU-02.html b/cave_data/1623-2018-NTU-02.html
index cb9877639..52ae3acec 100644
--- a/cave_data/1623-2018-NTU-02.html
+++ b/cave_data/1623-2018-NTU-02.html
@@ -38,6 +38,12 @@ code used in the Austrian kataster e.g '1/S +' - https://expo/.survex.com/katast
 <kataster_number></kataster_number> <!-- (Either this or unofficial_number is required). Official number in Austrian kataster if one has been allocated  -->
 <unofficial_number>2018-NTU-02</unofficial_number><!-- (Either this or kataster_number is required). Initial temporary cave ID used until kataster number is allocated e.g. '2012-DD-01'-->
 
+<entrance>
+  <entranceslug>1623-2018-NTU-02</entranceslug><!-- Internal ID to refer to each entrance instance in the entrance files (typically the same as that filename (e.g. 1623-161c). Matches the 'slug' field in the entrance file -->
+  <!-- DEBUG  1623-2018-NTU-02+1623-2018-NTU-02 'Z' == -->
+  <letter></letter><!--Leave blank for single-entrance cave. If there is more than one entrace then the letter needs to be given. Generally matches the entranceslug ID.  -->
+</entrance>
+
 <explorers>Natalie Uomini and Paul Fox</explorers><!-- 'CUCC Expo' and year(s) of exploration. To distinguish from caves explored by foreign groups. Individual names can be given too if it was a small cave. -->
 <survex_file>caves-1623/2018-NTU-02/2018-ntu-02.svx</survex_file><!-- Name of top-level survey file for this cave. Relative to the 'loser' survex repository. So for most caves that's "caves-162x/cavenum/cavnum.svx". (e.g. caves-1623/204/204.svx -->
 <underground_description>Choked 4.6m pitch, apparently.</underground_description><!-- Underground description. (description of approach and entrance goes in entrance file). For a small cave this will be the entire description. For larger caves it will be the front page of the description, or a short intro, containing links to other pages with the cave description in, or even nothing but a link. -->
diff --git a/entrance_data/1623-2018-NTU-02.html b/entrance_data/1623-2018-NTU-02.html
new file mode 100644
index 000000000..d8999cbc9
--- /dev/null
+++ b/entrance_data/1623-2018-NTU-02.html
@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<!-- Only put one entrance in this file -->
+<!-- This file is generated by troggle on Sept. 15, 2023, 8:50 p.m. UTC using the form documented at handbook/survey/ententry.html -->
+<!-- If you edit this file by hand, and manually upload it to the server using git,
+make sure you update the database by doing a full data import. If you edit it using the online form
+though, you do not need to do a data import as it happens automatically -->
+
+    <!-- See http://expo.survex.com/handbook/survey/caveentryfields.html for current details on filling in this form -->
+    <!-- there is 1 required field: slug. The entrance will not appear without that. -->
+    <!-- ALWAYS use &uuml; for u+Umlaut and &ouml; for o+umlaut eg H&ouml;hle for Hohle and Gl&uuml;ck for Gluck-->
+
+<html lang="en">
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
+</head>
+<body>
+<b>This file is generated by troggle</b> on Sept. 15, 2023, 8:50 p.m. UTC using the form documented at 
+<a href="/handbook/survey/ententry.html">handbook/survey/ententry.html</a>
+<br>
+<entrance>
+<non_public>False</non_public>
+<slug>1623-2018-NTU-02</slug> <!-- one entrance and one slug per entrance_data file -->
+<name></name>
+<entrance_description></entrance_description>
+<explorers></explorers>
+<map_description></map_description>
+<location_description></location_description>
+<lastvisit></lastvisit>
+<approach></approach>
+<underground_description></underground_description>
+<photo></photo>
+<!-- marking options: P  = Paint,
+                      P? = Paint (?),
+                      T  = Tag,
+                      T? = Tag (?),
+                      R  = Retagged,
+                      S  = Spit,
+                      S? = Spit (?),
+                      U  = Unmarked,
+                      ?  = Unknown" -->
+<marking>?</marking> 
+<marking_comment></marking_comment>
+<!-- findability options: ? = To be confirmed ...,
+                          S = Surveyed,
+                          L = Lost,
+                          R = Refindable" -->
+<findability>?</findability>
+<findability_description></findability_description>
+<alt></alt>
+<northing></northing>
+<easting></easting> 
+<tag_station></tag_station>
+<exact_station></exact_station>
+<other_station></other_station>
+<other_description></other_description>
+<bearings></bearings>
+<url></url>
+</entrance>
+</body>
+</html>
