diff --git a/D03_PlanAnalysis/D03_PlanAnalysis_UI_Map.ts b/D03_PlanAnalysis/D03_PlanAnalysis_UI_Map.ts
index 088abdd8b..3ff5cda5c 100644
--- a/D03_PlanAnalysis/D03_PlanAnalysis_UI_Map.ts
+++ b/D03_PlanAnalysis/D03_PlanAnalysis_UI_Map.ts
@@ -124,6 +124,8 @@ export interface PlanMapEvents {
   onMeasure: () => void;
   /** 도구줄 끝 지형 칸(624-4 · 칩 + LAS 올리기 = `D03_PlanAnalysis_UI_LidarUpload`). */
   terrain: HTMLElement;
+  /** 도구줄 「추천노선」 = 가이드 선 메뉴(636-2 · `D03_PlanAnalysis_UI_Guide`). */
+  recommend?: HTMLElement;
 }
 
 export interface PlanTools {
@@ -248,6 +250,7 @@ export function createPlanMap(events: PlanMapEvents): PlanMap {
       slopes: markButton("slopes"),
       measure: measureButton,
       terrain: events.terrain,
+      recommend: events.recommend,
     }),
   });
   const toolbar = tools.root;
diff --git a/D03_PlanAnalysis/D03_PlanAnalysis_UI_Page.ts b/D03_PlanAnalysis/D03_PlanAnalysis_UI_Page.ts
index e2f9d9e6a..a93cc7782 100644
--- a/D03_PlanAnalysis/D03_PlanAnalysis_UI_Page.ts
+++ b/D03_PlanAnalysis/D03_PlanAnalysis_UI_Page.ts
@@ -50,6 +50,7 @@ import {
   type TerrainStart,
 } from "./D03_PlanAnalysis_Api";
 import { openPlan3d } from "./D03_PlanAnalysis_UI_3D";
+import { createPlanGuide } from "./D03_PlanAnalysis_UI_Guide";
 import { bindPlanInput, createPlanKit } from "./D03_PlanAnalysis_UI_Kit";
 import { createPlanLayers } from "./D03_PlanAnalysis_UI_Layers";
 import { createPlanTerrain } from "./D03_PlanAnalysis_UI_LidarUpload";
@@ -213,8 +214,15 @@ export async function renderD03PlanAnalysis(root: HTMLElement): Promise<void> {
     work,
     onChange: () => (void backdrop.reterrain(), refresh()),
   });
+  // 가이드 추천선(636-2) — 지점 차례 · 지형 칩 원천 · 보기만
+  const guide = createPlanGuide({
+    points: () => points,
+    grid: () => terrain.surface(surface)?.grid ?? null,
+    redraw: () => map.redraw(),
+  });
   const map = createPlanMap({
     terrain: terrain.root,
+    recommend: guide.root,
     onUndo: undo,
     onRedo: redo,
     on3d: open3d,
@@ -317,7 +325,10 @@ export async function renderD03PlanAnalysis(root: HTMLElement): Promise<void> {
 
   /** 겹 차례 = 키트(바탕 겹 아래 · 재기 · 보기 가운데 = 고르기 위 · 핀 그림 · 우클릭 메뉴 맨 위). */
   const layerList = (): PlanMapLayer[] =>
-    kit.layers(backdrop.layers, [...(measuring ? [measure.layer] : []), viewWatch]);
+    kit.layers(
+      [...backdrop.layers, guide.layer],
+      [...(measuring ? [measure.layer] : []), viewWatch],
+    );
 
   /** 점들이 받은 범위 안인가. */
   const inside = (list: Vertex[]): boolean =>
@@ -574,6 +585,7 @@ export async function renderD03PlanAnalysis(root: HTMLElement): Promise<void> {
     heightAt: z,
     layers: backdrop.state,
     terrain: terrain.state,
+    guide: guide.state,
   };
   // 키 = 등록부(588-3 · 한글 자판도 자판 자리로) · 되돌리기 · 다시하기 · 재기 끔 = 키트 `onKey` 먼저
   const onKey = (event: KeyboardEvent): void => {