diff --git a/data/compile.py b/data/compile.py
index 14f034811..238d6b1cd 100644
--- a/data/compile.py
+++ b/data/compile.py
@@ -61,6 +61,7 @@ def main():
 
     logging.info("-- 34 Infer more props")
     structure.infer_addresses(data)
+    structure.extract_calendar_url(data)
 
     # TODO: Does it make sense to introduce a type 'sub_building' here?
 
diff --git a/data/processors/structure.py b/data/processors/structure.py
index 5777e91bf..33b220cff 100644
--- a/data/processors/structure.py
+++ b/data/processors/structure.py
@@ -111,3 +111,11 @@ def _get_type(_id, _data):
 
     for _id, _data in data.items():
         _data["type_common_name"] = _get_type(_id, _data)
+
+
+def extract_calendar_url(data):
+    """Extracts the calendar from the tumonline data sets it to the proper value. """
+    for k, entry in data.items():
+        if entry.get("tumonline_data", {}).get("calendar", None):
+            url = f"https://campus.tum.de/tumonline/{entry['tumonline_data']['calendar']}"
+            entry["calendar_url"] = url
diff --git a/openapi.yaml b/openapi.yaml
index 8c0b18c70..dbbde4ed6 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -442,6 +442,7 @@ paths:
                           text: 'Boltzmannstr. 3, EG, 85748 Garching b. München'
                         - name: Sitzplätze
                           text: '522'
+                    calendar_url: "https://campus.tum.de/tumonline/tvKalender.wSicht?cOrg=19691&cRes=12559&cReadonly=J"
                     ranking_factors:
                       rank_combined: 900
                       rank_type: 100
@@ -1528,6 +1529,13 @@ components:
           type: array
           items:
             $ref: '#/components/schemas/ImageInfo'
+        calendar_url:
+          items:
+            type: string
+            description: A link to the calendar of the room
+          example:
+            - https://campus.tum.de/tumonline/tvKalender.wSicht?cOrg=19691&cRes=12543&cReadonly=J
+            - https://campus.tum.de/tumonline/tvKalender.wSicht?cOrg=19691&cRes=12559&cReadonly=J
         ranking_factors:
           $ref: '#/components/schemas/RankingFactors'
       required:
diff --git a/webclient/src/views/view/view-view.inc b/webclient/src/views/view/view-view.inc
index cacbb096f..45edb6c65 100644
--- a/webclient/src/views/view/view-view.inc
+++ b/webclient/src/views/view/view-view.inc
@@ -94,6 +94,16 @@
         <span>{{ view_data.type_common_name }}</span>
       </div>
       <div class="column col-auto col-ml-auto">
+        <a
+          class="btn btn-link btn-action btn-sm"
+          v-if="view_data.calendar_url"
+          v-bind:href="view_data.calendar_url"
+        >
+          <svg xmlns="http://www.w3.org/2000/svg" height="14" width="14" fill="currentColor" viewBox="0 0 16 16" style="margin-bottom: -1px">
+            <path d="M3.5 0a.5.5 0 0 1 .5.5V1h8V.5a.5.5 0 0 1 1 0V1h1a2 2 0 0 1 2 2v11a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2V3a2 2 0 0 1 2-2h1V.5a.5.5 0 0 1 .5-.5zM2 2a1 1 0 0 0-1 1v1h14V3a1 1 0 0 0-1-1H2zm13 3H1v9a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1V5z"/>
+            <path d="M11 7.5a.5.5 0 0 1 .5-.5h1a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-1a.5.5 0 0 1-.5-.5v-1zm-3 0a.5.5 0 0 1 .5-.5h1a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-1a.5.5 0 0 1-.5-.5v-1zm-2 3a.5.5 0 0 1 .5-.5h1a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-1a.5.5 0 0 1-.5-.5v-1zm-3 0a.5.5 0 0 1 .5-.5h1a.5.5 0 0 1 .5.5v1a.5.5 0 0 1-.5.5h-1a.5.5 0 0 1-.5-.5v-1z"/>
+          </svg>
+        </a>
         <button
           class="btn btn-link btn-action btn-sm"
           title="${{ _.view_view.header.external_link.tooltip }}$"