diff --git a/packages/web/app/[board_name]/[layout_id]/[size_id]/[set_ids]/[angle]/layout.tsx b/packages/web/app/[board_name]/[layout_id]/[size_id]/[set_ids]/[angle]/layout.tsx
index 9f4697c9b..db05a9363 100644
--- a/packages/web/app/[board_name]/[layout_id]/[size_id]/[set_ids]/[angle]/layout.tsx
+++ b/packages/web/app/[board_name]/[layout_id]/[size_id]/[set_ids]/[angle]/layout.tsx
@@ -16,6 +16,7 @@ import { PartyProvider } from '@/app/components/party-manager/party-context';
 import { BoardSessionBridge } from '@/app/components/persistent-session';
 import { Metadata } from 'next';
 import BoardPageSkeleton from '@/app/components/board-page/board-page-skeleton';
+import OnboardingTour from '@/app/components/onboarding-tour/onboarding-tour';
 
 // Helper to get board details for any board type
 function getBoardDetailsUniversal(parsedParams: ParsedBoardRouteParameters): BoardDetails {
@@ -173,6 +174,8 @@ export default async function BoardLayout(props: PropsWithChildren<BoardLayoutPr
               <Affix offsetBottom={0}>
                 <QueueControlBar board={board_name} boardDetails={boardDetails} angle={angle} />
               </Affix>
+
+              <OnboardingTour />
             </PartyProvider>
           </GraphQLQueueProvider>
         </ConnectionSettingsProvider>
diff --git a/packages/web/app/components/index.css b/packages/web/app/components/index.css
index a6e16fd49..b2f207a73 100644
--- a/packages/web/app/components/index.css
+++ b/packages/web/app/components/index.css
@@ -270,6 +270,11 @@ html {
   box-shadow: 0 0 0 2px #fff;
 }
 
+/* Onboarding tour - constrain width for mobile-friendly display */
+.onboarding-tour .ant-tour-inner {
+  max-width: min(340px, calc(100vw - 32px));
+}
+
 /* Override Atlaskit drag-and-drop indicator color to match theme
    Note: !important is required here as third-party library sets inline styles */
 [data-drop-indicator-edge] {
diff --git a/packages/web/app/components/onboarding-tour/onboarding-tour.tsx b/packages/web/app/components/onboarding-tour/onboarding-tour.tsx
new file mode 100644
index 000000000..7028479e0
--- /dev/null
+++ b/packages/web/app/components/onboarding-tour/onboarding-tour.tsx
@@ -0,0 +1,106 @@
+'use client';
+
+import React, { useState, useEffect, useCallback } from 'react';
+import { Tour, type TourProps } from 'antd';
+import { usePathname } from 'next/navigation';
+
+const TOUR_STORAGE_KEY = 'boardsesh-onboarding-completed';
+
+/**
+ * Onboarding tour that shows on the list page for first-time users.
+ * Uses Ant Design Tour with constrained step widths and avoids
+ * anchoring on interactive elements like the climb card header.
+ */
+export default function OnboardingTour() {
+  const [open, setOpen] = useState(false);
+  const [steps, setSteps] = useState<TourProps['steps']>([]);
+  const pathname = usePathname();
+
+  const isListPage = pathname.includes('/list');
+
+  useEffect(() => {
+    // Only show on the list page
+    if (!isListPage) return;
+
+    // Check if user has already completed the tour
+    try {
+      if (localStorage.getItem(TOUR_STORAGE_KEY)) return;
+    } catch {
+      // localStorage not available
+      return;
+    }
+
+    // Wait for DOM elements to render
+    const timer = setTimeout(() => {
+      const queueBar = document.querySelector('[data-testid="queue-control-bar"]') as HTMLElement;
+      const illuminateButton = document.getElementById('button-illuminate');
+      const firstClimbCardBody = document.querySelector('[data-testid="climb-card"] .ant-card-body') as HTMLElement;
+
+      const tourSteps: NonNullable<TourProps['steps']> = [
+        {
+          title: 'Welcome to Boardsesh!',
+          description:
+            'Browse climbs, build a queue, and control your board. Let\u2019s take a quick look around.',
+          // No target = centered overlay
+        },
+      ];
+
+      if (firstClimbCardBody) {
+        tourSteps.push({
+          title: 'Select a Climb',
+          description:
+            'Double-tap the board image to select a climb. It will appear in the queue bar at the bottom.',
+          target: () => firstClimbCardBody,
+          placement: 'bottom',
+        });
+      }
+
+      if (queueBar) {
+        tourSteps.push({
+          title: 'Queue & Navigation',
+          description:
+            'Your current climb shows here. Swipe or use arrows to move through your queue.',
+          target: () => queueBar,
+          placement: 'top',
+        });
+      }
+
+      if (illuminateButton) {
+        tourSteps.push({
+          title: 'Light Up the Board',
+          description:
+            'Connect via Bluetooth to illuminate holds on your board for the selected climb.',
+          target: () => illuminateButton,
+          placement: 'bottom',
+        });
+      }
+
+      setSteps(tourSteps);
+      setOpen(true);
+    }, 800);
+
+    return () => clearTimeout(timer);
+  }, [isListPage]);
+
+  const handleClose = useCallback(() => {
+    setOpen(false);
+    try {
+      localStorage.setItem(TOUR_STORAGE_KEY, 'true');
+    } catch {
+      // localStorage not available
+    }
+  }, []);
+
+  if (!isListPage || steps.length === 0) return null;
+
+  return (
+    <Tour
+      open={open}
+      onClose={handleClose}
+      onFinish={handleClose}
+      steps={steps}
+      rootClassName="onboarding-tour"
+      scrollIntoViewOptions={{ block: 'center' }}
+    />
+  );
+}