diff --git a/eleventy.config.js b/eleventy.config.js
index 44d641b..440a998 100644
--- a/eleventy.config.js
+++ b/eleventy.config.js
@@ -2,7 +2,13 @@ import syntaxHighlight from "@11ty/eleventy-plugin-syntaxhighlight";
 import markdownIt from "markdown-it";
 import markdownItAnchor from "markdown-it-anchor";
 import { filters } from "./src/_filters/index.js";
-import { postComparator, isPostPublic } from "./src/_utils/sort-posts.js";
+import {
+  postComparator,
+  isPostPublic,
+  isPostArchived,
+  isPostDraft,
+  isPostHidden
+} from "./src/_utils/sort-posts.js";
 import { validateLinkedArticles } from "./src/_utils/linked-articles.js";
 
 export default function (eleventyConfig) {
@@ -49,7 +55,7 @@ export default function (eleventyConfig) {
   }
 
   // 5. Custom Collections
-  // Pinned / featured prioritized, chronological blog posts collection (excludes drafts and hidden posts)
+  // Pinned / featured prioritized, chronological blog posts collection (excludes drafts, hidden, and archived posts)
   eleventyConfig.addCollection("posts", (collectionApi) => {
     const allPosts = collectionApi.getFilteredByGlob("src/posts/*.md");
     validateLinkedArticles(allPosts);
@@ -59,6 +65,14 @@ export default function (eleventyConfig) {
       .sort(postComparator);
   });
 
+  // Chronological archived blog posts collection (excludes drafts and hidden posts)
+  eleventyConfig.addCollection("archivedPosts", (collectionApi) => {
+    return collectionApi
+      .getFilteredByGlob("src/posts/*.md")
+      .filter((post) => !isPostDraft(post) && !isPostHidden(post) && isPostArchived(post))
+      .sort(postComparator);
+  });
+
   // Dynamic Tag List Collection across all public posts (excludes drafts and hidden posts)
   eleventyConfig.addCollection("tagList", (collectionApi) => {
     const tagSet = new Set();
diff --git a/src/_includes/partials/stats-sidebar.njk b/src/_includes/partials/stats-sidebar.njk
index b2771d0..15fb7e9 100644
--- a/src/_includes/partials/stats-sidebar.njk
+++ b/src/_includes/partials/stats-sidebar.njk
@@ -14,6 +14,10 @@
         <span>TOTAL DISPATCHES:</span>
         <span class="stat-val">{{ collections.posts.length }} PUBLISHED</span>
       </div>
+      <div class="stat-row">
+        <span>ARCHIVED NOTES:</span>
+        <span class="stat-val">{{ (collections.archivedPosts or []).length }} ARCHIVED</span>
+      </div>
       <div class="stat-row">
         <span>TOPIC DOMAINS:</span>
         <span class="stat-val">{{ collections.tagList.length }} CATEGORIES</span>
@@ -27,6 +31,10 @@
         <span class="stat-val" style="color: var(--accent-green);">{{ site.status }}</span>
       </div>
     </div>
+
+    <a href="/archive/" class="filter-tag-btn" style="width: 100%; justify-content: center;">
+      VIEW ARCHIVE ({{ (collections.archivedPosts or []).length }}) &rarr;
+    </a>
   </section>
 
   <!-- Curated Topic Tracks Tile -->
diff --git a/src/_utils/sort-posts.js b/src/_utils/sort-posts.js
index f0de9cc..27c3ac9 100644
--- a/src/_utils/sort-posts.js
+++ b/src/_utils/sort-posts.js
@@ -101,16 +101,39 @@ export function isPostDraft(item) {
   return Boolean(draft);
 }
 
+/**
+ * Determines whether a post is marked as archived.
+ * Archived posts are excluded from the main Dispatches feed and listed on /archive/.
+ * Supports explicit boolean, string ("true", "yes", "1"), or numeric representations.
+ *
+ * @param {object} item Eleventy page / post object
+ * @returns {boolean}
+ */
+export function isPostArchived(item) {
+  if (!item || typeof item !== "object") return false;
+  const data = item.data ?? item;
+  if (!data || typeof data !== "object") return false;
+  const archive = data.archive;
+  if (typeof archive === "string") {
+    const lower = archive.trim().toLowerCase();
+    return lower === "true" || lower === "yes" || lower === "1";
+  }
+  if (typeof archive === "number") {
+    return archive === 1;
+  }
+  return Boolean(archive);
+}
+
 /**
  * Determines whether a post is eligible for public collections and listings.
- * A post must be non-draft and non-hidden.
+ * A post must be non-draft, non-hidden, and non-archived.
  *
  * @param {object} item Eleventy page / post object
  * @returns {boolean}
  */
 export function isPostPublic(item) {
   if (!item || typeof item !== "object") return false;
-  return !isPostDraft(item) && !isPostHidden(item);
+  return !isPostDraft(item) && !isPostHidden(item) && !isPostArchived(item);
 }
 
 export default postComparator;
diff --git a/src/archive.njk b/src/archive.njk
new file mode 100644
index 0000000..dd7af7f
--- /dev/null
+++ b/src/archive.njk
@@ -0,0 +1,28 @@
+---
+layout: layouts/base.njk
+title: "River Rooks | Archived Dispatches"
+---
+
+<!-- 1. Lander Hero Tile with Dynamic Filter Tag Buttons -->
+{% include "partials/hero-tile.njk" %}
+
+<!-- 2. Full-Width Chronological Archived Dispatches Feed Tile -->
+<section class="tile" aria-label="Archived Dispatches Feed Catalog">
+  <header class="tile-header">
+    <div class="tile-title">
+      <span class="status-indicator"></span>
+      ARCHIVED DISPATCHES
+    </div>
+    <span class="tile-meta">ORDER: CHRONOLOGICAL DESC &bull; TOTAL: {{ collections.archivedPosts.length }}</span>
+  </header>
+
+  <div class="feed-list">
+    {% for post in collections.archivedPosts %}
+      {% include "partials/post-card.njk" %}
+    {% else %}
+      <p style="color: var(--text-muted); font-family: var(--font-mono); font-size: 0.85rem; padding: 16px;">
+        No archived dispatches found in repository.
+      </p>
+    {% endfor %}
+  </div>
+</section>
diff --git a/test/archived-posts.test.js b/test/archived-posts.test.js
new file mode 100644
index 0000000..6b9e801
--- /dev/null
+++ b/test/archived-posts.test.js
@@ -0,0 +1,250 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import fs from "node:fs";
+import path from "node:path";
+import { execSync } from "node:child_process";
+import {
+  isPostArchived,
+  isPostDraft,
+  isPostHidden,
+  isPostPublic,
+  postComparator
+} from "../src/_utils/sort-posts.js";
+import { normalizeObsidianMarkdown } from "../server.js";
+import configureEleventy from "../eleventy.config.js";
+
+test("Archived Posts: isPostArchived accurately identifies archive flags across data shapes", () => {
+  // 1. Explicit boolean true
+  assert.equal(isPostArchived({ data: { archive: true } }), true, "Explicit boolean true in data");
+  assert.equal(isPostArchived({ archive: true }), true, "Root level archive true");
+
+  // 2. Truthy string and numeric representations (case-insensitive & trimmed)
+  assert.equal(isPostArchived({ data: { archive: "true" } }), true, "String 'true'");
+  assert.equal(isPostArchived({ data: { archive: "TRUE" } }), true, "Uppercase string 'TRUE'");
+  assert.equal(isPostArchived({ data: { archive: "  true  " } }), true, "Whitespace-padded 'true'");
+  assert.equal(isPostArchived({ data: { archive: "yes" } }), true, "String 'yes'");
+  assert.equal(isPostArchived({ data: { archive: "YES" } }), true, "String 'YES'");
+  assert.equal(isPostArchived({ data: { archive: "1" } }), true, "String '1'");
+  assert.equal(isPostArchived({ data: { archive: 1 } }), true, "Numeric 1");
+
+  // 3. Falsy representations
+  assert.equal(isPostArchived({ data: { archive: false } }), false, "Explicit boolean false");
+  assert.equal(isPostArchived({ data: { archive: "false" } }), false, "String 'false'");
+  assert.equal(isPostArchived({ data: { archive: "no" } }), false, "String 'no'");
+  assert.equal(isPostArchived({ data: { archive: "0" } }), false, "String '0'");
+  assert.equal(isPostArchived({ data: { archive: 0 } }), false, "Numeric 0");
+  assert.equal(isPostArchived({ data: { archive: "" } }), false, "Empty string");
+  assert.equal(isPostArchived({ data: { archive: null } }), false, "Null property");
+  assert.equal(isPostArchived({ data: {} }), false, "Missing archive property");
+  assert.equal(isPostArchived({}), false, "Empty post object");
+
+  // 4. Adversarial edge cases
+  assert.equal(isPostArchived(null), false, "Null input");
+  assert.equal(isPostArchived(undefined), false, "Undefined input");
+  assert.equal(isPostArchived("unexpected-string"), false, "Primitive string input");
+  assert.equal(isPostArchived(12345), false, "Primitive number input");
+  assert.equal(isPostArchived([]), false, "Array input");
+  assert.equal(isPostArchived({ data: null }), false, "Null data property");
+});
+
+test("Archived Posts: isPostPublic excludes archived posts from active public dispatches", () => {
+  assert.equal(
+    isPostPublic({ data: { title: "Active Post", draft: false, hidden: false, archive: false } }),
+    true,
+    "Non-archived public post is public"
+  );
+  assert.equal(
+    isPostPublic({ data: { title: "Archived Post", archive: true } }),
+    false,
+    "Archived post is excluded from active public dispatches"
+  );
+  assert.equal(
+    isPostPublic({ data: { title: "Archived String Post", archive: "true" } }),
+    false,
+    "Archived string post is excluded from active public dispatches"
+  );
+});
+
+test("Archived Posts: Eleventy collections separate active posts and archivedPosts while excluding drafts and hidden notes", () => {
+  const collections = new Map();
+  configureEleventy({
+    setUseGitIgnore() {},
+    addPassthroughCopy() {},
+    addPlugin() {},
+    setLibrary() {},
+    addFilter() {},
+    addCollection(name, callback) {
+      collections.set(name, callback);
+    },
+    addGlobalData() {},
+    on() {},
+    setServerOptions() {}
+  });
+
+  assert.ok(collections.has("posts"), "posts collection must be registered");
+  assert.ok(collections.has("archivedPosts"), "archivedPosts collection must be registered");
+
+  const samplePosts = [
+    {
+      inputPath: "src/posts/2026-10-06-active-new.md",
+      date: new Date("2026-10-06"),
+      data: { title: "Active New", tags: ["systems"] }
+    },
+    {
+      inputPath: "src/posts/2026-10-05-active-old.md",
+      date: new Date("2026-10-05"),
+      data: { title: "Active Old", archive: false, tags: ["notes"] }
+    },
+    {
+      inputPath: "src/posts/2026-10-03-archived-new.md",
+      date: new Date("2026-10-03"),
+      data: { title: "Archived New", archive: true, tags: ["legacy-only"] }
+    },
+    {
+      inputPath: "src/posts/2026-10-01-archived-old.md",
+      date: new Date("2026-10-01"),
+      data: { title: "Archived Old", archive: "yes", tags: ["legacy-only"] }
+    },
+    {
+      inputPath: "src/posts/2026-10-04-archived-draft.md",
+      date: new Date("2026-10-04"),
+      data: { title: "Archived Draft", archive: true, draft: true, tags: ["draft-tag"] }
+    },
+    {
+      inputPath: "src/posts/2026-10-04-archived-hidden.md",
+      date: new Date("2026-10-04"),
+      data: { title: "Archived Hidden", archive: true, hidden: true, tags: ["hidden-tag"] }
+    }
+  ];
+
+  const mockCollectionApi = {
+    getFilteredByGlob() {
+      return samplePosts;
+    }
+  };
+
+  const activePosts = collections.get("posts")(mockCollectionApi);
+  const archivedPosts = collections.get("archivedPosts")(mockCollectionApi);
+  const tagList = collections.get("tagList")(mockCollectionApi);
+
+  assert.deepEqual(
+    activePosts.map((p) => p.data.title),
+    ["Active New", "Active Old"],
+    "collections.posts must only contain non-archived, non-draft, non-hidden posts"
+  );
+
+  assert.deepEqual(
+    archivedPosts.map((p) => p.data.title),
+    ["Archived New", "Archived Old"],
+    "collections.archivedPosts must only contain non-draft, non-hidden archived posts sorted chronologically"
+  );
+
+  assert.ok(!tagList.includes("legacy-only"), "Archived-only tags must not leak into active Dispatches tagList");
+  assert.ok(!tagList.includes("draft-tag"), "Draft tags must not leak into tagList");
+  assert.ok(!tagList.includes("hidden-tag"), "Hidden tags must not leak into tagList");
+});
+
+test("Archived Posts: Archive Telemetry sidebar contains link to /archive/ and archive.njk template omits featured section", () => {
+  const sidebarPath = path.resolve("src/_includes/partials/stats-sidebar.njk");
+  assert.ok(fs.existsSync(sidebarPath), "stats-sidebar.njk must exist");
+  const sidebarContent = fs.readFileSync(sidebarPath, "utf-8");
+
+  // Extract Archive Telemetry section and verify link to /archive
+  const telemetryMatch = sidebarContent.match(
+    /<section[^>]*aria-label="Archive Telemetry"[^>]*>([\s\S]*?)<\/section>/i
+  );
+  assert.ok(telemetryMatch, "Archive Telemetry section must exist in stats-sidebar.njk");
+  assert.match(
+    telemetryMatch[1],
+    /href="\/archive\/?"/i,
+    "Archive Telemetry section must contain a link to /archive/ (riverrooks.dev/archive)"
+  );
+
+  // Verify src/archive.njk exists and mirrors dispatches.njk minus featured section
+  const archivePagePath = path.resolve("src/archive.njk");
+  assert.ok(fs.existsSync(archivePagePath), "src/archive.njk must exist");
+  const archivePageContent = fs.readFileSync(archivePagePath, "utf-8");
+
+  assert.match(archivePageContent, /layout:\s*layouts\/base\.njk/, "archive.njk must use base layout");
+  assert.match(archivePageContent, /collections\.archivedPosts/, "archive.njk must iterate over collections.archivedPosts");
+  assert.match(archivePageContent, /partials\/post-card\.njk/, "archive.njk must render post cards");
+  assert.doesNotMatch(archivePageContent, /featured-card\.njk/, "archive.njk must NOT include the featured section");
+});
+
+test("Archived Posts: Obsidian normalization preserves archive frontmatter property", () => {
+  const obsidianNote = `---
+title: "Legacy Architecture Notes"
+created: 2026-10-03
+tags: ["#archive", "#systems"]
+archive: true
+---
+
+# Legacy Notes
+Archived reference documentation.
+`;
+
+  const normalized = normalizeObsidianMarkdown(obsidianNote);
+  assert.match(normalized, /archive:\s*true/, "Normalized markdown must preserve 'archive: true'");
+});
+
+test("Archived Posts: Example archived markdown post exists in src/posts/ and builds to _site/archive/index.html", () => {
+  const postsDir = path.resolve("src/posts");
+  const postFiles = fs.readdirSync(postsDir).filter((f) => f.endsWith(".md"));
+
+  const archivedExamples = postFiles.filter((file) => {
+    const content = fs.readFileSync(path.join(postsDir, file), "utf-8");
+    const fmMatch = content.match(/^---\n([\s\S]*?)\n---/);
+    return fmMatch && /^archive:\s*true\s*$/m.test(fmMatch[1]);
+  });
+
+  assert.ok(
+    archivedExamples.length >= 1,
+    "At least one example markdown post in src/posts/ must have 'archive: true'"
+  );
+
+  const dispatchesHtmlPath = path.resolve("_site/dispatches/index.html");
+  const archiveHtmlPath = path.resolve("_site/archive/index.html");
+
+  if (!fs.existsSync(archiveHtmlPath)) {
+    execSync("npm run build", {
+      stdio: "pipe",
+      env: { ...process.env, SITE_DOMAIN: process.env.SITE_DOMAIN || "riverrooks.dev" }
+    });
+  }
+
+  assert.ok(fs.existsSync(dispatchesHtmlPath), "_site/dispatches/index.html must exist");
+  assert.ok(fs.existsSync(archiveHtmlPath), "_site/archive/index.html must exist");
+
+  const dispatchesHtml = fs.readFileSync(dispatchesHtmlPath, "utf-8");
+  const archiveHtml = fs.readFileSync(archiveHtmlPath, "utf-8");
+
+  // 1. Dispatches page has link to /archive/ in Archive Telemetry
+  const dispatchesTelemetry = dispatchesHtml.match(
+    /<section[^>]*aria-label="Archive Telemetry"[^>]*>([\s\S]*?)<\/section>/i
+  );
+  assert.ok(dispatchesTelemetry, "Compiled dispatches page must have Archive Telemetry section");
+  assert.match(
+    dispatchesTelemetry[1],
+    /href="\/archive\/?"/i,
+    "Compiled Archive Telemetry section must link to /archive/"
+  );
+
+  // 2. Archived example post does NOT appear on Dispatches page, but DOES appear on Archive page
+  assert.doesNotMatch(
+    dispatchesHtml,
+    /Archived Dispatch Demo/,
+    "Archived post must NOT appear in the Dispatches page list or featured card"
+  );
+  assert.match(
+    archiveHtml,
+    /Archived Dispatch Demo/,
+    "Archived post MUST appear on the /archive/ page"
+  );
+
+  // 3. Archive page does NOT have the Featured Dispatch section
+  assert.doesNotMatch(
+    archiveHtml,
+    /aria-label="Featured Technical Dispatch"/i,
+    "Archive page must not contain the Featured Dispatch section"
+  );
+});