diff --git a/src/features/app/components/WorktreeCard.tsx b/src/features/app/components/WorktreeCard.tsx
index 853a3fbb..5406ccb8 100644
--- a/src/features/app/components/WorktreeCard.tsx
+++ b/src/features/app/components/WorktreeCard.tsx
@@ -7,7 +7,7 @@ type WorktreeCardProps = {
   isActive: boolean;
   isDeleting?: boolean;
   onSelectWorkspace: (id: string) => void;
-  onShowWorktreeMenu: (event: MouseEvent, workspaceId: string) => void;
+  onShowWorktreeMenu: (event: MouseEvent, worktree: WorkspaceInfo) => void;
   onToggleWorkspaceCollapse: (workspaceId: string, collapsed: boolean) => void;
   onConnectWorkspace: (workspace: WorkspaceInfo) => void;
   children?: React.ReactNode;
@@ -41,7 +41,7 @@ export function WorktreeCard({
         }}
         onContextMenu={(event) => {
           if (!isDeleting) {
-            onShowWorktreeMenu(event, worktree.id);
+            onShowWorktreeMenu(event, worktree);
           }
         }}
         onKeyDown={(event) => {
diff --git a/src/features/app/components/WorktreeSection.tsx b/src/features/app/components/WorktreeSection.tsx
index aea8655a..51695e6f 100644
--- a/src/features/app/components/WorktreeSection.tsx
+++ b/src/features/app/components/WorktreeSection.tsx
@@ -48,7 +48,7 @@ type WorktreeSectionProps = {
     threadId: string,
     canPin: boolean,
   ) => void;
-  onShowWorktreeMenu: (event: MouseEvent, workspaceId: string) => void;
+  onShowWorktreeMenu: (event: MouseEvent, worktree: WorkspaceInfo) => void;
   onToggleExpanded: (workspaceId: string) => void;
   onLoadOlderThreads: (workspaceId: string) => void;
 };
diff --git a/src/features/app/hooks/useSidebarMenus.test.tsx b/src/features/app/hooks/useSidebarMenus.test.tsx
new file mode 100644
index 00000000..01189fa1
--- /dev/null
+++ b/src/features/app/hooks/useSidebarMenus.test.tsx
@@ -0,0 +1,101 @@
+/** @vitest-environment jsdom */
+import type { MouseEvent as ReactMouseEvent } from "react";
+import { renderHook } from "@testing-library/react";
+import { describe, expect, it, vi } from "vitest";
+
+import type { WorkspaceInfo } from "../../../types";
+import { useSidebarMenus } from "./useSidebarMenus";
+
+const menuNew = vi.hoisted(() =>
+  vi.fn(async ({ items }) => ({ popup: vi.fn(), items })),
+);
+const menuItemNew = vi.hoisted(() => vi.fn(async (options) => options));
+
+vi.mock("@tauri-apps/api/menu", () => ({
+  Menu: { new: menuNew },
+  MenuItem: { new: menuItemNew },
+}));
+
+vi.mock("@tauri-apps/api/window", () => ({
+  getCurrentWindow: () => ({ scaleFactor: () => 1 }),
+}));
+
+vi.mock("@tauri-apps/api/dpi", () => ({
+  LogicalPosition: class LogicalPosition {
+    x: number;
+    y: number;
+    constructor(x: number, y: number) {
+      this.x = x;
+      this.y = y;
+    }
+  },
+}));
+
+const revealItemInDir = vi.hoisted(() => vi.fn());
+
+vi.mock("@tauri-apps/plugin-opener", () => ({
+  revealItemInDir: (...args: unknown[]) => revealItemInDir(...args),
+}));
+
+vi.mock("../../../services/toasts", () => ({
+  pushErrorToast: vi.fn(),
+}));
+
+describe("useSidebarMenus", () => {
+  it("adds a show in finder option for worktrees", async () => {
+    const onDeleteThread = vi.fn();
+    const onSyncThread = vi.fn();
+    const onPinThread = vi.fn();
+    const onUnpinThread = vi.fn();
+    const isThreadPinned = vi.fn(() => false);
+    const onRenameThread = vi.fn();
+    const onReloadWorkspaceThreads = vi.fn();
+    const onDeleteWorkspace = vi.fn();
+    const onDeleteWorktree = vi.fn();
+
+    const { result } = renderHook(() =>
+      useSidebarMenus({
+        onDeleteThread,
+        onSyncThread,
+        onPinThread,
+        onUnpinThread,
+        isThreadPinned,
+        onRenameThread,
+        onReloadWorkspaceThreads,
+        onDeleteWorkspace,
+        onDeleteWorktree,
+      }),
+    );
+
+    const worktree: WorkspaceInfo = {
+      id: "worktree-1",
+      name: "feature/test",
+      path: "/tmp/worktree-1",
+      kind: "worktree",
+      connected: true,
+      settings: {
+        sidebarCollapsed: false,
+        worktreeSetupScript: "",
+      },
+      worktree: { branch: "feature/test" },
+    };
+
+    const event = {
+      preventDefault: vi.fn(),
+      stopPropagation: vi.fn(),
+      clientX: 12,
+      clientY: 34,
+    } as unknown as ReactMouseEvent;
+
+    await result.current.showWorktreeMenu(event, worktree);
+
+    const menuArgs = menuNew.mock.calls[0]?.[0];
+    const revealItem = menuArgs.items.find(
+      (item: { text: string }) => item.text === "Show in Finder",
+    );
+
+    expect(revealItem).toBeDefined();
+    await revealItem.action();
+    expect(revealItemInDir).toHaveBeenCalledWith("/tmp/worktree-1");
+  });
+});
diff --git a/src/features/app/hooks/useSidebarMenus.ts b/src/features/app/hooks/useSidebarMenus.ts
index 97e0bc37..ff4f1eba 100644
--- a/src/features/app/hooks/useSidebarMenus.ts
+++ b/src/features/app/hooks/useSidebarMenus.ts
@@ -3,6 +3,9 @@ import { Menu, MenuItem } from "@tauri-apps/api/menu";
 import { LogicalPosition } from "@tauri-apps/api/dpi";
 import { getCurrentWindow } from "@tauri-apps/api/window";
 
+import type { WorkspaceInfo } from "../../../types";
+import { pushErrorToast } from "../../../services/toasts";
+
 type SidebarMenuHandlers = {
   onDeleteThread: (workspaceId: string, threadId: string) => void;
   onSyncThread: (workspaceId: string, threadId: string) => void;
@@ -110,18 +113,43 @@ export function useSidebarMenus({
   );
 
   const showWorktreeMenu = useCallback(
-    async (event: MouseEvent, workspaceId: string) => {
+    async (event: MouseEvent, worktree: WorkspaceInfo) => {
       event.preventDefault();
       event.stopPropagation();
       const reloadItem = await MenuItem.new({
         text: "Reload threads",
-        action: () => onReloadWorkspaceThreads(workspaceId),
+        action: () => onReloadWorkspaceThreads(worktree.id),
+      });
+      const revealItem = await MenuItem.new({
+        text: "Show in Finder",
+        action: async () => {
+          if (!worktree.path) {
+            return;
+          }
+          try {
+            const { revealItemInDir } = await import(
+              "@tauri-apps/plugin-opener"
+            );
+            await revealItemInDir(worktree.path);
+          } catch (error) {
+            const message = error instanceof Error ? error.message : String(error);
+            pushErrorToast({
+              title: "Couldn't show worktree in Finder",
+              message,
+            });
+            console.warn("Failed to reveal worktree", {
+              message,
+              workspaceId: worktree.id,
+              path: worktree.path,
+            });
+          }
+        },
       });
       const deleteItem = await MenuItem.new({
         text: "Delete worktree",
-        action: () => onDeleteWorktree(workspaceId),
+        action: () => onDeleteWorktree(worktree.id),
       });
-      const menu = await Menu.new({ items: [reloadItem, deleteItem] });
+      const menu = await Menu.new({ items: [reloadItem, revealItem, deleteItem] });
       const window = getCurrentWindow();
       const position = new LogicalPosition(event.clientX, event.clientY);
       await menu.popup(position, window);