diff --git a/parks/forms.py b/parks/forms.py
index 4e627025..bb7aa705 100644
--- a/parks/forms.py
+++ b/parks/forms.py
@@ -169,8 +169,8 @@ class ParkForm(forms.ModelForm):
                 
                 # Convert to string to preserve exact decimal places
                 return str(latitude)
-            except (InvalidOperation, TypeError):
-                raise forms.ValidationError("Invalid latitude value.")
+            except (InvalidOperation, TypeError) as e:
+                raise forms.ValidationError("Invalid latitude value.") from e
         return latitude
 
     def clean_longitude(self):
@@ -188,8 +188,8 @@ class ParkForm(forms.ModelForm):
                 
                 # Convert to string to preserve exact decimal places
                 return str(longitude)
-            except (InvalidOperation, TypeError):
-                raise forms.ValidationError("Invalid longitude value.")
+            except (InvalidOperation, TypeError) as e:
+                raise forms.ValidationError("Invalid longitude value.") from e
         return longitude
 
     def save(self, commit=True):