diff --git a/templates/partials/projects/project_dashboard.html b/templates/partials/projects/project_dashboard.html
index 5b859e2..d8daf49 100644
--- a/templates/partials/projects/project_dashboard.html
+++ b/templates/partials/projects/project_dashboard.html
@@ -161,7 +161,9 @@
         maxZoom: 18,
     }).addTo(map);
 
-    const markers = [];
+    // Marker store keyed by location id so card-click can find + flash
+    // the matching pin (bidirectional highlight).
+    const markersById = {};
     const bounds  = [];
     withCoords.forEach(loc => {
         const marker = L.circleMarker(loc.latlon, {
@@ -174,10 +176,53 @@
         }).addTo(map);
         marker.bindTooltip(loc.name, { direction: 'top', offset: [0, -6] });
         marker.on('click', () => _flashLocationCard(loc.id));
-        markers.push(marker);
+        markersById[loc.id] = marker;
         bounds.push(loc.latlon);
     });
 
+    // Wire up the reverse direction: hovering a card highlights its
+    // pin on the map.  Hover-based instead of click-based because
+    // clicking the card navigates to the location detail page, so the
+    // flash would never be visible.  Event delegation so cards that
+    // appear later (htmx swap or reorder) still work.
+    let _hoverPinId = null;
+    document.addEventListener('mouseover', (e) => {
+        const card = e.target.closest('.location-card');
+        if (!card) return;
+        const locId = card.dataset.locationId;
+        if (locId === _hoverPinId) return;
+        if (_hoverPinId) _unhighlightPin(_hoverPinId);
+        _highlightPin(locId);
+        _hoverPinId = locId;
+    });
+    document.addEventListener('mouseout', (e) => {
+        const card = e.target.closest('.location-card');
+        if (!card) return;
+        // Only un-highlight if the mouse actually left the card,
+        // not just moved to a child element.
+        const related = e.relatedTarget && e.relatedTarget.closest('.location-card');
+        if (related === card) return;
+        if (_hoverPinId) {
+            _unhighlightPin(_hoverPinId);
+            _hoverPinId = null;
+        }
+    });
+
+    function _highlightPin(locId) {
+        const marker = markersById[locId];
+        if (!marker) return;
+        marker.setStyle({ radius: 12, fillColor: '#dc2626', weight: 3 });
+        marker.openTooltip();
+        marker.bringToFront();
+    }
+
+    function _unhighlightPin(locId) {
+        const marker = markersById[locId];
+        if (!marker) return;
+        marker.setStyle({ radius: 8, fillColor: '#f48b1c', weight: 2 });
+        marker.closeTooltip();
+    }
+
     if (bounds.length === 1) {
         map.setView(bounds[0], 14);
     } else {