diff --git a/GuiaSeniorWeb/README.md b/GuiaSeniorWeb/README.md
index 6bf1ff7..abb16c1 100644
--- a/GuiaSeniorWeb/README.md
+++ b/GuiaSeniorWeb/README.md
@@ -48,6 +48,8 @@ GuiaSeniorWeb/
 │   ├── home.html                   # Tela Inicial (Menu Principal)
 │   ├── sites.html                  # Lista de sites do governo
 │   ├── regions.html                # Seleção de região (Luz e Água)
+
+
 │   ├── site_detail.html            # Tela de explicação detalhada de um site
 │   └── safety_detail.html          # Tela com lista de dicas de segurança
 │
diff --git a/GuiaSeniorWeb/src/main/java/com/example/guiasenior/HomeController.java b/GuiaSeniorWeb/src/main/java/com/example/guiasenior/HomeController.java
index 5614f6c..9e44443 100644
--- a/GuiaSeniorWeb/src/main/java/com/example/guiasenior/HomeController.java
+++ b/GuiaSeniorWeb/src/main/java/com/example/guiasenior/HomeController.java
@@ -159,7 +159,24 @@ public class HomeController {
     public String siteDetail(@PathVariable String id, Model model) {
         SiteInfo site = allSitesLookup.get(id);
         if (site == null) return "redirect:/sites";
+        
         model.addAttribute("site", site);
+        
+        // Determine back link
+        String backLink = "/sites"; // default
+        if (!govSitesDisplay.containsKey(id)) {
+            // It's likely a utility, find which region
+            for (Map.Entry<String, java.util.List<SiteInfo>> entry : utilities.entrySet()) {
+                for (SiteInfo s : entry.getValue()) {
+                    if (s.id.equals(id)) {
+                        backLink = "/utilidades/" + entry.getKey();
+                        break;
+                    }
+                }
+            }
+        }
+        model.addAttribute("backLink", backLink);
+        
         return "site_detail";
     }
 
diff --git a/GuiaSeniorWeb/src/main/resources/templates/site_detail.html b/GuiaSeniorWeb/src/main/resources/templates/site_detail.html
index 07b9855..65e6a70 100644
--- a/GuiaSeniorWeb/src/main/resources/templates/site_detail.html
+++ b/GuiaSeniorWeb/src/main/resources/templates/site_detail.html
@@ -14,8 +14,8 @@
         Nome Site
     </header>
 
-    <div class="container">
-        <a th:href="@{/sites}" class="back-btn">⬅ Voltar para a lista</a>
+    <div class="container fade-in">
+        <a th:href="@{${backLink}}" class="back-btn">⬅ Voltar para a lista</a>
 
         <div class="card">
             <h2>Como funciona?</h2>