diff --git a/web/e2e/smoke.spec.js b/web/e2e/smoke.spec.js
index 97cac17..6708c22 100644
--- a/web/e2e/smoke.spec.js
+++ b/web/e2e/smoke.spec.js
@@ -2211,3 +2211,50 @@ test('et tag finder sit projekt uanset store og små bogstaver', async ({ page }
 
 	expect(trouble).toEqual([]);
 });
+
+test('en opgave viser de noter, der nævner den, og linket åbner noten', async ({ page }) => {
+	const trouble = watchForTrouble(page);
+	await page.goto('/');
+
+	const box = page.getByLabel('Ny opgave');
+	await box.fill('ring til leverandøren i dag');
+	await box.press('Enter');
+	await expect(page.getByText('ring til leverandøren', { exact: true })).toBeVisible();
+
+	// Asked for rather than read off the address bar: opening a task shows a drawer
+	// without navigating, so the URL is still the list's.
+	const taskId = await page.evaluate(async () => {
+		const r = await fetch('/api/v1/tasks?limit=100', {
+			credentials: 'include',
+			headers: { 'Sec-Fetch-Site': 'same-origin' }
+		});
+		const j = await r.json();
+		return (j.tasks ?? []).find((t) => t.content === 'ring til leverandøren')?.id;
+	});
+	expect(taskId, 'opgaven blev ikke oprettet').toBeTruthy();
+
+	const sidebar = page.getByRole('navigation', { name: 'Hovedmenu' });
+	await sidebar.getByRole('link', { name: 'Noter', exact: true }).click();
+	await page.getByRole('button', { name: 'Ny note' }).click();
+	const ed = page.getByRole('textbox', { name: 'Notens tekst' });
+	await ed.click();
+	await page.keyboard.type('Referat fra tirsdag');
+	await page.keyboard.press('Enter');
+	await page.keyboard.type('Aftalt at han ringer, se /opgave/' + taskId);
+	await ed.blur();
+
+	// Back on the task: the other direction of the same link. Without it the
+	// connection only works if you happen to be reading the note, which is the half
+	// nobody needs help with.
+	await page.goto('/opgave/' + taskId);
+	const linked = page.locator('.linked-notes').getByRole('link', { name: /Referat fra tirsdag/ });
+	await expect(linked).toBeVisible();
+
+	// And it opens the note rather than dropping you on a list to find it again.
+	await linked.click();
+	await expect(page.getByRole('textbox', { name: 'Notens tekst' })).toContainText(
+		'Aftalt at han ringer'
+	);
+
+	expect(trouble).toEqual([]);
+});
diff --git a/web/src/lib/components/TaskDetail.svelte b/web/src/lib/components/TaskDetail.svelte
index a41f347..4d26252 100644
--- a/web/src/lib/components/TaskDetail.svelte
+++ b/web/src/lib/components/TaskDetail.svelte
@@ -43,6 +43,7 @@
 	let subtasks = $state([]);
 	let comments = $state([]);
 	let attachments = $state([]);
+	let notes = $state([]);
 	let reminders = $state([]);
 
 	let newSubtask = $state('');
@@ -80,6 +81,7 @@
 		subtasks = [];
 		comments = [];
 		attachments = [];
+		notes = [];
 		reminders = [];
 
 		const id = task.id;
@@ -96,6 +98,11 @@
 		api.listReminders(id)
 			.then((r) => id === seededId && (reminders = r.reminders))
 			.catch(() => {});
+		// Quietly, because a task with no notes is the ordinary case and a failure
+		// here must not put an error in front of somebody reading a task.
+		api.notesLinking('task', id)
+			.then((r) => id === seededId && (notes = r.notes ?? []))
+			.catch(() => {});
 	});
 
 	/**
@@ -540,6 +547,22 @@
 			</form>
 		</section>
 
+		<!-- What has been written about this task.
+		     The other direction of the same link: a note that mentions a task shows
+		     it, and this is the task showing the note. Without it the connection only
+		     works if you happen to be reading the note — which is the half nobody
+		     needs help with. -->
+		{#if notes.length}
+			<section class="linked-notes">
+				<h3>{t('notes.title')}</h3>
+				{#each notes as note (note.id)}
+					<a class="linked-note" href="/noter?note={note.id}">
+						<strong>{note.title || t('notes.untitled')}</strong>
+					</a>
+				{/each}
+			</section>
+		{/if}
+
 		<section>
 			<h3>{t('detail.comments')}</h3>
 
@@ -582,6 +605,24 @@
 </aside>
 
 <style>
+	.linked-note {
+		display: block;
+		padding: var(--s2);
+		border-radius: var(--radius);
+		color: var(--ink-muted);
+		text-decoration: none;
+	}
+
+	.linked-note:hover {
+		background: var(--surface);
+		color: var(--ink);
+	}
+
+	.linked-note strong {
+		font-size: var(--text-sm);
+		font-weight: 560;
+	}
+
 	.scrim {
 		position: fixed;
 		inset: 0;
diff --git a/web/src/lib/locales/da.js b/web/src/lib/locales/da.js
index ad1c9dc..9e2ec6a 100644
--- a/web/src/lib/locales/da.js
+++ b/web/src/lib/locales/da.js
@@ -469,6 +469,7 @@ export const da = {
 	'auth.forgot': 'Glemt adgangskode?',
 
 	// --- a task, opened ---------------------------------------------------------------
+	'detail.notFound': 'Opgaven findes ikke, eller den er ikke din.',
 	'detail.task': 'Opgave',
 	'detail.close': 'Luk',
 	'detail.text': 'Opgavens tekst',
diff --git a/web/src/lib/locales/en.js b/web/src/lib/locales/en.js
index 3be9383..3271049 100644
--- a/web/src/lib/locales/en.js
+++ b/web/src/lib/locales/en.js
@@ -465,6 +465,7 @@ export const en = {
 	'auth.forgot': 'Forgotten your password?',
 
 	// --- a task, opened ---------------------------------------------------------------
+	'detail.notFound': 'That task does not exist, or it is not yours.',
 	'detail.task': 'Task',
 	'detail.close': 'Close',
 	'detail.text': 'The task’s text',
diff --git a/web/src/routes/noter/+page.svelte b/web/src/routes/noter/+page.svelte
index 15309ec..c236d38 100644
--- a/web/src/routes/noter/+page.svelte
+++ b/web/src/routes/noter/+page.svelte
@@ -13,6 +13,7 @@
 	 */
 	import { api, humanMessage } from '$lib/api.js';
 	import { app } from '$lib/stores.svelte.js';
+	import { page } from '$app/stores';
 	import { t } from '$lib/i18n.svelte.js';
 	import NoteEditor from '$lib/components/NoteEditor.svelte';
 
@@ -31,6 +32,16 @@
 		load(query);
 	});
 
+	// Arriving from somewhere that names a note — a task's panel, a project's page —
+	// opens it rather than dropping the person on a list to find it again.
+	let asked = $derived($page.url.searchParams.get('note'));
+	$effect(() => {
+		if (!asked || selected?.id === asked) return;
+		const found = notes.find((n) => n.id === asked);
+		if (found) open(found);
+		else api.note(asked).then(open).catch(() => {});
+	});
+
 	async function load(q) {
 		try {
 			notes = (await api.notes(q ? { q } : {})).notes ?? [];
diff --git a/web/src/routes/opgave/[id]/+page.svelte b/web/src/routes/opgave/[id]/+page.svelte
new file mode 100644
index 0000000..2d09774
--- /dev/null
+++ b/web/src/routes/opgave/[id]/+page.svelte
@@ -0,0 +1,50 @@
+<script>
+	/**
+	 * A task, by address.
+	 *
+	 * There was no such thing until a note wanted to point at one. Opening a task
+	 * shows a drawer over whatever list you were on and changes nothing in the URL,
+	 * which is right for a click and useless for a link — you cannot send somebody a
+	 * task, and a note that mentions one has nowhere to send them either.
+	 *
+	 * So this opens the drawer and then steps aside, replacing itself with the
+	 * task's own project. The person lands where the task lives, with it open, and
+	 * the back button does not walk them through a page that only ever redirected.
+	 */
+	import { page } from '$app/stores';
+	import { goto } from '$app/navigation';
+	import { api } from '$lib/api.js';
+	import { app } from '$lib/stores.svelte.js';
+	import { t } from '$lib/i18n.svelte.js';
+
+	let status = $state('loading');
+
+	$effect(() => {
+		open($page.params.id);
+	});
+
+	async function open(id) {
+		if (!id) return;
+		try {
+			const task = await api.getTask(id);
+			app.openDetail(id);
+			// replaceState, so Back goes where they came from rather than here.
+			await goto(task.project_id ? `/projekt/${task.project_id}` : '/', { replaceState: true });
+		} catch {
+			// 404 for both "no such task" and "not yours", so an id tells a stranger
+			// nothing about whether it exists.
+			status = 'missing';
+		}
+	}
+</script>
+
+{#if status === 'missing'}
+	<p class="clear">{t('detail.notFound')}</p>
+{/if}
+
+<style>
+	.clear {
+		padding: var(--s4);
+		color: var(--ink-faint);
+	}
+</style>