diff --git a/loko/assets/static/assets/asset_symbology.js b/loko/assets/static/assets/asset_symbology.js
index 7969cf2..deef49c 100644
--- a/loko/assets/static/assets/asset_symbology.js
+++ b/loko/assets/static/assets/asset_symbology.js
@@ -300,11 +300,11 @@
         naturegreensurface: {
             thematic: 'nature',
             color: '#2e7d32',
-            iconUrl: '/static/assets/nature_tree_icon.svg?v=20260521a',
-            iconSize: 56,
-            iconClass: 'bi-tree-fill',
-            glyphCodepoint: 'f5e1',
-            mapImage: 'icon-nature',
+            iconUrl: '/static/assets/nature_greensurface_icon.svg?v=20261010a',
+            iconSize: 52,
+            iconClass: 'bi-grid-fill',
+            glyphCodepoint: 'f3fb',
+            mapImage: 'icon-naturegreensurface',
         },
         natureshrub: {
             thematic: 'nature',
@@ -708,6 +708,7 @@
             natureregional: injected.natureregional || (ASSET_TYPE_OVERRIDES.naturetree_regional && ASSET_TYPE_OVERRIDES.naturetree_regional.iconUrl),
             natureremarkable: injected.natureremarkable || (ASSET_TYPE_OVERRIDES.naturetree_remarkable && ASSET_TYPE_OVERRIDES.naturetree_remarkable.iconUrl),
             naturedead: injected.naturedead || (ASSET_TYPE_OVERRIDES.naturetree_dead && ASSET_TYPE_OVERRIDES.naturetree_dead.iconUrl),
+            naturegreensurface: injected.naturegreensurface || (ASSET_TYPE_OVERRIDES.naturegreensurface && ASSET_TYPE_OVERRIDES.naturegreensurface.iconUrl),
             structures: injected.structures || THEMATIC_CONFIG.structures.iconUrl,
             roaddrain: injected.roaddrain || ASSET_TYPE_OVERRIDES.roaddrain.iconUrl,
             roadconcreteblockset: injected.roadconcreteblockset || ASSET_TYPE_OVERRIDES.roadconcreteblockset.iconUrl,
@@ -733,6 +734,7 @@
             { name: 'icon-trafficlightradarpole', codepoint: 'f4e0', color: '#e53935' },
             { name: 'icon-sign', codepoint: 'f82b', color: '#0022ff' },
             { name: 'icon-nature', codepoint: 'f5e1', color: '#2e7d32' },
+            { name: 'icon-naturegreensurface', codepoint: 'f3fb', color: '#2e7d32' },
             { name: 'icon-naturebench', codepoint: 'f5e1', color: '#2e7d32' },
             { name: 'icon-natureplanter', codepoint: 'f3ce', color: '#d97706' },
             { name: 'icon-naturerwiasset', codepoint: 'f30b', color: '#0277bd' },
@@ -848,6 +850,7 @@
                 ['any', ['==', ['get', 'management_type'], 'regional'], ['==', ['get', 'management_type'], 'Régional']]
             ], 'icon-nature-regional',
             ['==', ['get', 'asset_type'], 'naturetree'], 'icon-nature',
+            ['==', ['get', 'asset_type'], 'naturegreensurface'], 'icon-naturegreensurface',
             ['==', ['get', 'asset_type'], 'drain'], 'icon-roaddrain',
             ['==', ['get', 'asset_type'], 'roaddrain'], 'icon-roaddrain',
             ['==', ['get', 'category'], 'Ralentisseur'], 'icon-speedbump',
diff --git a/loko/assets/static/assets/nature_greensurface_icon.svg b/loko/assets/static/assets/nature_greensurface_icon.svg
new file mode 100644
index 0000000..e1f9246
--- /dev/null
+++ b/loko/assets/static/assets/nature_greensurface_icon.svg
@@ -0,0 +1,69 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64" width="64" height="64" aria-hidden="true">
+  <defs>
+    <!-- Background grass blades gradient (deep rich green) -->
+    <linearGradient id="grass-dark" x1="0" y1="0" x2="0" y2="1">
+      <stop offset="0%" stop-color="#2e7d32"/>
+      <stop offset="100%" stop-color="#1b5e20"/>
+    </linearGradient>
+
+    <!-- Mid grass blades gradient (fresh vibrant green) -->
+    <linearGradient id="grass-mid" x1="0" y1="0" x2="0" y2="1">
+      <stop offset="0%" stop-color="#66bb6a"/>
+      <stop offset="100%" stop-color="#2e7d32"/>
+    </linearGradient>
+
+    <!-- Side arching grass blades gradient -->
+    <linearGradient id="grass-light" x1="0" y1="0" x2="0" y2="1">
+      <stop offset="0%" stop-color="#81c784"/>
+      <stop offset="100%" stop-color="#388e3c"/>
+    </linearGradient>
+
+    <!-- Ground turf base gradient -->
+    <linearGradient id="turf-base" x1="0" y1="0" x2="0" y2="1">
+      <stop offset="0%" stop-color="#43a047"/>
+      <stop offset="100%" stop-color="#1b5e20"/>
+    </linearGradient>
+
+    <!-- Front turf lip gradient -->
+    <linearGradient id="turf-front" x1="0" y1="0" x2="0" y2="1">
+      <stop offset="0%" stop-color="#4caf50"/>
+      <stop offset="100%" stop-color="#2e7d32"/>
+    </linearGradient>
+
+    <!-- Soil ground base gradient -->
+    <linearGradient id="soil-base" x1="0" y1="0" x2="0" y2="1">
+      <stop offset="0%" stop-color="#6d4c41"/>
+      <stop offset="100%" stop-color="#4e342e"/>
+    </linearGradient>
+  </defs>
+
+  <!-- Ground / Soil base slab -->
+  <rect x="9" y="52" width="46" height="6" rx="3" fill="url(#soil-base)"/>
+
+  <!-- Back turf mound -->
+  <ellipse cx="32" cy="49" rx="25" ry="7" fill="url(#turf-base)"/>
+
+  <!-- Background grass blades -->
+  <!-- Mid-left tall blade -->
+  <path d="M 21 48 C 17 32, 16 19, 20 11 C 24 15, 27 29, 28 48 Z" fill="url(#grass-dark)"/>
+  <!-- Mid-right tall blade -->
+  <path d="M 36 48 C 37 29, 40 15, 44 11 C 48 19, 47 32, 43 48 Z" fill="url(#grass-dark)"/>
+
+  <!-- Main foreground grass blades -->
+  <!-- Left arching blade -->
+  <path d="M 14 49 C 10 38, 7 28, 8 19 C 14 21, 21 34, 25 49 Z" fill="url(#grass-light)"/>
+  <!-- Right arching blade -->
+  <path d="M 39 49 C 43 34, 50 21, 56 19 C 57 28, 54 38, 50 49 Z" fill="url(#grass-light)"/>
+  <!-- Center tall proud blade -->
+  <path d="M 26 49 C 27 30, 28 16, 32 6 C 36 16, 37 30, 38 49 Z" fill="url(#grass-mid)"/>
+
+  <!-- Center blade subtle highlight -->
+  <path d="M 31 48 C 31.5 32, 31.8 18, 32 9 C 32.2 18, 32.8 32, 32.5 48 Z" fill="#a5d6a7" opacity="0.6"/>
+
+  <!-- Foreground turf rim -->
+  <ellipse cx="32" cy="51" rx="23" ry="5" fill="url(#turf-front)"/>
+
+  <!-- Small front sprouting blades -->
+  <path d="M 21 51 C 20 44, 18 36, 17 30 C 20 34, 23 42, 24 51 Z" fill="url(#grass-light)"/>
+  <path d="M 40 51 C 41 42, 44 34, 47 30 C 46 36, 44 44, 43 51 Z" fill="url(#grass-light)"/>
+</svg>
diff --git a/loko/assets/static/assets/unified_map_layers.js b/loko/assets/static/assets/unified_map_layers.js
index 1fab787..0127bdf 100644
--- a/loko/assets/static/assets/unified_map_layers.js
+++ b/loko/assets/static/assets/unified_map_layers.js
@@ -158,6 +158,12 @@ function loadUnifiedMapIcons(map) {
             .then(data => { if (!map.hasImage('icon-nature-dead')) map.addImage('icon-nature-dead', data); })
             .catch(e => console.warn('unified_map_layers: could not load nature dead icon', e));
     }
+    // naturegreensurface: dedicated green surface / lawn SVG (52 px)
+    if (iconUrls.naturegreensurface && !map.hasImage('icon-naturegreensurface')) {
+        loadNormalisedIcon(iconUrls.naturegreensurface, 52)
+            .then(data => { if (!map.hasImage('icon-naturegreensurface')) map.addImage('icon-naturegreensurface', data); })
+            .catch(e => console.warn('unified_map_layers: could not load naturegreensurface icon', e));
+    }
 
     // structures: dedicated bridge/tunnel SVG (52 px)
     if (iconUrls.structures && !map.hasImage('icon-structures')) {
diff --git a/loko/assets/templates/assets/unified_index.html b/loko/assets/templates/assets/unified_index.html
index 897c2a4..595cfd2 100644
--- a/loko/assets/templates/assets/unified_index.html
+++ b/loko/assets/templates/assets/unified_index.html
@@ -1357,6 +1357,7 @@
             natureregional:                "{% static 'assets/nature_tree_icon_regional.svg' %}?v=20261009_round",
             natureremarkable:              "{% static 'assets/nature_tree_icon_remarkable.svg' %}?v=20261009_round",
             naturedead:                    "{% static 'assets/nature_tree_icon_dead.svg' %}?v=20261009_round",
+            naturegreensurface:            "{% static 'assets/nature_greensurface_icon.svg' %}?v=20261010a",
             structures:                    "{% static 'assets/structures_bridge_tunnel_icon.svg' %}?v=20260522b",
             roaddrain:                     "{% static 'assets/roaddrain_grille_icon.svg' %}?v=20260521a",
             speedbump:                     "{% static 'assets/road_speedbump_icon.svg' %}?v=20260920",
@@ -1373,7 +1374,7 @@
     <script src="{% static 'common/base_script.js' %}"></script>
     <script src="{% static 'common/base_map.js' %}"></script>
     <script src="{% static 'assets/sign_panels_shared.js' %}?v=20260703c"></script>
-    <script src="{% static 'assets/asset_symbology.js' %}?v=20261009_round_trees_v2"></script>
-    <script src="{% static 'assets/unified_map_layers.js' %}?v=20261009_round_trees_v2"></script>
-    <script src="{% static 'assets/unified_index.js' %}?v=20261009_round_trees_v2"></script>
+    <script src="{% static 'assets/asset_symbology.js' %}?v=20261010_greensurface"></script>
+    <script src="{% static 'assets/unified_map_layers.js' %}?v=20261010_greensurface"></script>
+    <script src="{% static 'assets/unified_index.js' %}?v=20261010_greensurface"></script>
 {% endblock script %}
\ No newline at end of file
diff --git a/loko/mobile/templates/mobile/assets/assets_index_mobile.html b/loko/mobile/templates/mobile/assets/assets_index_mobile.html
index d3bf393..f1a2696 100644
--- a/loko/mobile/templates/mobile/assets/assets_index_mobile.html
+++ b/loko/mobile/templates/mobile/assets/assets_index_mobile.html
@@ -1134,7 +1134,7 @@
 {% endblock content %}
 
 {% block extra_scripts %}
-    <script src="{% static 'assets/asset_symbology.js' %}?v=20261009_round_trees_v2"></script>
+    <script src="{% static 'assets/asset_symbology.js' %}?v=20261010_greensurface"></script>
     <script>
     (function() {
         'use strict';