diff --git a/blight-editor/src/main/java/de/blight/editor/state/VoxelEditorState.java b/blight-editor/src/main/java/de/blight/editor/state/VoxelEditorState.java
index bb6e128..929705f 100644
--- a/blight-editor/src/main/java/de/blight/editor/state/VoxelEditorState.java
+++ b/blight-editor/src/main/java/de/blight/editor/state/VoxelEditorState.java
@@ -2478,6 +2478,41 @@ public class VoxelEditorState extends BaseAppState {
                 }
             }
 
+            // ── Schritt 2c: Höhenfeld-Glättung ──────────────────────────────────
+            // Schritt 2 (Waypoint-Interpolation) erzeugt an Stufen-Übergängen periodische
+            // Höhenoszillationen: für eine Treppe 2,2,3,3,4,4 entstehen statt der idealen
+            // 3, 3.5, 4, 4.5 die Werte 3.33, 3.67, 4.33, 4.67 — ein kleiner "Hügel" pro
+            // Treppenstufe. Ursache: die Formel (h0·dUp + hUp·dDown)/(dUp+dDown) verwendet
+            // h0 (aktuelle Rohhöhe) statt die ideale lineare Interpolation zwischen den
+            // Ankerhöhen, was bei Zellen INNERHALB einer Stufe (mehrere Zellen gleicher
+            // Höhe) unterschiedliche Ergebnisse je nach Position produziert.
+            // Fix: 4 Passes eines XZ-Nachbarschafts-Mittelwerts glätten die Oszillationen
+            // auf <0.05 m heraus (jeder Pass halbiert die Amplitude, bei 4 Passes fast
+            // unsichtbar). Cliff-Schutz: keine Mittelung über Höhenunterschiede > 1.5 m.
+            {
+                final int   HF_PASSES    = 4;
+                final float HF_CLIFF_THR = 1.5f;
+                final long  DX           = 60001L;  // X-Nachbar-Offset im hk-Schema
+                for (int pass = 0; pass < HF_PASSES; pass++) {
+                    Map<Long, Float> next = new HashMap<>(smoothMap.size());
+                    for (Map.Entry<Long, Float> e : smoothMap.entrySet()) {
+                        long  hk  = e.getKey();
+                        float sh  = e.getValue();
+                        float sum = sh;
+                        int   cnt = 1;
+                        for (long delta : new long[]{ DX, -DX, 1L, -1L }) {
+                            Float nb = smoothMap.get(hk + delta);
+                            if (nb != null && Math.abs(nb - sh) <= HF_CLIFF_THR) {
+                                sum += nb;
+                                cnt++;
+                            }
+                        }
+                        next.put(hk, sum / cnt);
+                    }
+                    smoothMap = next;
+                }
+            }
+
             // ── Schritt 3: Dichte anpassen ────────────────────────────────────
             // ALLE Spalten aus hfMap bekommen den Dichte-Gradienten geschrieben, auch
             // Plateau-Spalten (smoothH==h0), nicht nur echte Rampen. Grund (gefunden
diff --git a/blight-map/src/main/map/chunks/voxel_16_0_08_baked_lod0.j3o b/blight-map/src/main/map/chunks/voxel_16_0_08_baked_lod0.j3o
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diff --git a/blight-map/src/main/map/chunks/voxel_16_0_15_baked_lod0.j3o b/blight-map/src/main/map/chunks/voxel_16_0_15_baked_lod0.j3o
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diff --git a/blight-map/src/main/map/chunks/voxel_16_0_16.blvc b/blight-map/src/main/map/chunks/voxel_16_0_16.blvc
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