diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -422,6 +422,7 @@
     'ArcanistRefView' => 'ref/ArcanistRefView.php',
     'ArcanistRemoteRef' => 'repository/remote/ArcanistRemoteRef.php',
     'ArcanistRemoteRefInspector' => 'repository/remote/ArcanistRemoteRefInspector.php',
+    'ArcanistRemoteRepositoryRefsHardpointQuery' => 'repository/remote/ArcanistRemoteRepositoryRefsHardpointQuery.php',
     'ArcanistRepositoryAPI' => 'repository/api/ArcanistRepositoryAPI.php',
     'ArcanistRepositoryAPIMiscTestCase' => 'repository/api/__tests__/ArcanistRepositoryAPIMiscTestCase.php',
     'ArcanistRepositoryAPIStateTestCase' => 'repository/api/__tests__/ArcanistRepositoryAPIStateTestCase.php',
@@ -1455,6 +1456,7 @@
     ),
     'ArcanistRemoteRef' => 'ArcanistRef',
     'ArcanistRemoteRefInspector' => 'ArcanistRefInspector',
+    'ArcanistRemoteRepositoryRefsHardpointQuery' => 'ArcanistRuntimeHardpointQuery',
     'ArcanistRepositoryAPI' => 'Phobject',
     'ArcanistRepositoryAPIMiscTestCase' => 'PhutilTestCase',
     'ArcanistRepositoryAPIStateTestCase' => 'PhutilTestCase',
diff --git a/src/ref/ArcanistRepositoryRef.php b/src/ref/ArcanistRepositoryRef.php
--- a/src/ref/ArcanistRepositoryRef.php
+++ b/src/ref/ArcanistRepositoryRef.php
@@ -3,6 +3,7 @@
 final class ArcanistRepositoryRef
   extends ArcanistRef {
 
+  private $parameters = array();
   private $phid;
   private $browseURI;
 
@@ -24,6 +25,37 @@
     return $this;
   }
 
+  public static function newFromConduit(array $map) {
+    $ref = new self();
+    $ref->parameters = $map;
+
+    $ref->phid = $map['phid'];
+
+    return $ref;
+  }
+
+  public function getURIs() {
+    $uris = idxv($this->parameters, array('attachments', 'uris', 'uris'));
+
+    if (!$uris) {
+      return array();
+    }
+
+    $results = array();
+    foreach ($uris as $uri) {
+      $effective_uri = idxv($uri, array('fields', 'uri', 'effective'));
+      if ($effective_uri !== null) {
+        $results[] = $effective_uri;
+      }
+    }
+
+    return $results;
+  }
+
+  public function getDisplayName() {
+    return idxv($this->parameters, array('fields', 'name'));
+  }
+
   public function newBrowseURI(array $params) {
     PhutilTypeSpec::checkMap(
       $params,
@@ -67,9 +99,13 @@
   }
 
   public function getDefaultBranch() {
-    // TODO: This should read from the remote, and is not correct for
-    // Mercurial anyway, as "default" would be a better default branch.
-    return 'master';
+    $branch = idxv($this->parameters, array('fields', 'defaultBranch'));
+
+    if ($branch === null) {
+      return 'master';
+    }
+
+    return $branch;
   }
 
 }
diff --git a/src/repository/api/ArcanistGitAPI.php b/src/repository/api/ArcanistGitAPI.php
--- a/src/repository/api/ArcanistGitAPI.php
+++ b/src/repository/api/ArcanistGitAPI.php
@@ -1767,4 +1767,10 @@
     return new ArcanistGitRepositoryRemoteQuery();
   }
 
+  protected function newNormalizedURI($uri) {
+    return new ArcanistRepositoryURINormalizer(
+      ArcanistRepositoryURINormalizer::TYPE_GIT,
+      $uri);
+  }
+
 }
diff --git a/src/repository/api/ArcanistMercurialAPI.php b/src/repository/api/ArcanistMercurialAPI.php
--- a/src/repository/api/ArcanistMercurialAPI.php
+++ b/src/repository/api/ArcanistMercurialAPI.php
@@ -1025,4 +1025,10 @@
     );
   }
 
+  protected function newNormalizedURI($uri) {
+    return new ArcanistRepositoryURINormalizer(
+      ArcanistRepositoryURINormalizer::TYPE_MERCURIAL,
+      $uri);
+  }
+
 }
diff --git a/src/repository/api/ArcanistRepositoryAPI.php b/src/repository/api/ArcanistRepositoryAPI.php
--- a/src/repository/api/ArcanistRepositoryAPI.php
+++ b/src/repository/api/ArcanistRepositoryAPI.php
@@ -798,4 +798,13 @@
     return substr($hash, 0, 12);
   }
 
+  final public function getNormalizedURI($uri) {
+    $normalized_uri = $this->newNormalizedURI($uri);
+    return $normalized_uri->getNormalizedURI();
+  }
+
+  protected function newNormalizedURI($uri) {
+    return $uri;
+  }
+
 }
diff --git a/src/repository/remote/ArcanistRemoteRef.php b/src/repository/remote/ArcanistRemoteRef.php
--- a/src/repository/remote/ArcanistRemoteRef.php
+++ b/src/repository/remote/ArcanistRemoteRef.php
@@ -3,14 +3,26 @@
 final class ArcanistRemoteRef
   extends ArcanistRef {
 
+  private $repositoryAPI;
   private $remoteName;
   private $fetchURI;
   private $pushURI;
 
+  const HARDPOINT_REPOSITORYREFS = 'arc.remote.repositoryRefs';
+
   public function getRefDisplayName() {
     return pht('Remote "%s"', $this->getRemoteName());
   }
 
+  public function setRepositoryAPI(ArcanistRepositoryAPI $repository_api) {
+    $this->repositoryAPI = $repository_api;
+    return $this;
+  }
+
+  public function getRepositoryAPI() {
+    return $this->repositoryAPI;
+  }
+
   public function setRemoteName($remote_name) {
     $this->remoteName = $remote_name;
     return $this;
@@ -42,4 +54,39 @@
     $view->setObjectName($this->getRemoteName());
   }
 
+  protected function newHardpoints() {
+    $object_list = new ArcanistObjectListHardpoint();
+    return array(
+      $this->newTemplateHardpoint(self::HARDPOINT_REPOSITORYREFS, $object_list),
+    );
+  }
+
+  private function getRepositoryRefs() {
+    return $this->getHardpoint(self::HARDPOINT_REPOSITORYREFS);
+  }
+
+  public function getPushRepositoryRef() {
+    return $this->getRepositoryRefByURI($this->getPushURI());
+  }
+
+  public function getFetchRepositoryRef() {
+    return $this->getRepositoryRefByURI($this->getFetchURI());
+  }
+
+  private function getRepositoryRefByURI($uri) {
+    $api = $this->getRepositoryAPI();
+
+    $uri = $api->getNormalizedURI($uri);
+    foreach ($this->getRepositoryRefs() as $repository_ref) {
+      foreach ($repository_ref->getURIs() as $repository_uri) {
+        $repository_uri = $api->getNormalizedURI($repository_uri);
+        if ($repository_uri === $uri) {
+          return $repository_ref;
+        }
+      }
+    }
+
+    return null;
+  }
+
 }
diff --git a/src/repository/remote/ArcanistRemoteRepositoryRefsHardpointQuery.php b/src/repository/remote/ArcanistRemoteRepositoryRefsHardpointQuery.php
new file mode 100644
--- /dev/null
+++ b/src/repository/remote/ArcanistRemoteRepositoryRefsHardpointQuery.php
@@ -0,0 +1,89 @@
+<?php
+
+final class ArcanistRemoteRepositoryRefsHardpointQuery
+  extends ArcanistRuntimeHardpointQuery {
+
+  public function getHardpoints() {
+    return array(
+      ArcanistRemoteRef::HARDPOINT_REPOSITORYREFS,
+    );
+  }
+
+  protected function canLoadRef(ArcanistRef $ref) {
+    return ($ref instanceof ArcanistRemoteRef);
+  }
+
+  public function loadHardpoint(array $refs, $hardpoint) {
+    $api = $this->getRepositoryAPI();
+
+    $uris = array();
+    foreach ($refs as $remote) {
+      $fetch_uri = $remote->getFetchURI();
+      if ($fetch_uri !== null) {
+        $uris[] = $fetch_uri;
+      }
+
+      $push_uri = $remote->getPushURI();
+      if ($push_uri !== null) {
+        $uris[] = $push_uri;
+      }
+    }
+
+    if (!$uris) {
+      yield $this->yieldValue($refs, array());
+    }
+
+    $uris = array_fuse($uris);
+    $uris = array_values($uris);
+
+    $search_future = $this->newConduitSearch(
+      'diffusion.repository.search',
+      array(
+        'uris' => $uris,
+      ),
+      array(
+        'uris' => true,
+      ));
+
+    $repository_info = (yield $this->yieldFuture($search_future));
+
+    $repository_refs = array();
+    foreach ($repository_info as $raw_result) {
+      $repository_refs[] = ArcanistRepositoryRef::newFromConduit($raw_result);
+    }
+
+    $uri_map = array();
+    foreach ($repository_refs as $repository_ref) {
+      foreach ($repository_ref->getURIs() as $repository_uri) {
+        $repository_uri = $api->getNormalizedURI($repository_uri);
+        $uri_map[$repository_uri] = $repository_ref;
+      }
+    }
+
+    $results = array();
+    foreach ($refs as $key => $remote) {
+      $result = array();
+
+      $fetch_uri = $remote->getFetchURI();
+      if ($fetch_uri !== null) {
+        $fetch_uri = $api->getNormalizedURI($fetch_uri);
+        if (isset($uri_map[$fetch_uri])) {
+          $result[] = $uri_map[$fetch_uri];
+        }
+      }
+
+      $push_uri = $remote->getPushURI();
+      if ($push_uri !== null) {
+        $push_uri = $api->getNormalizedURI($push_uri);
+        if (isset($uri_map[$push_uri])) {
+          $result[] = $uri_map[$push_uri];
+        }
+      }
+
+      $results[$key] = $result;
+    }
+
+    yield $this->yieldMap($results);
+  }
+
+}
diff --git a/src/repository/remote/ArcanistRepositoryRemoteQuery.php b/src/repository/remote/ArcanistRepositoryRemoteQuery.php
--- a/src/repository/remote/ArcanistRepositoryRemoteQuery.php
+++ b/src/repository/remote/ArcanistRepositoryRemoteQuery.php
@@ -11,8 +11,13 @@
   }
 
   final public function execute() {
+    $api = $this->getRepositoryAPI();
     $refs = $this->newRemoteRefs();
 
+    foreach ($refs as $ref) {
+      $ref->setRepositoryAPI($api);
+    }
+
     $names = $this->names;
     if ($names !== null) {
       $names = array_fuse($names);
diff --git a/src/workflow/ArcanistLookWorkflow.php b/src/workflow/ArcanistLookWorkflow.php
--- a/src/workflow/ArcanistLookWorkflow.php
+++ b/src/workflow/ArcanistLookWorkflow.php
@@ -140,6 +140,11 @@
 
     $remotes = $api->newRemoteRefQuery()
       ->execute();
+
+    $this->loadHardpoints(
+      $remotes,
+      ArcanistRemoteRef::HARDPOINT_REPOSITORYREFS);
+
     foreach ($remotes as $remote) {
 
       $view = $remote->newRefView();
@@ -154,6 +159,18 @@
           'Push URI: %s',
           $push_uri));
 
+      $push_repository = $remote->getPushRepositoryRef();
+      if ($push_repository) {
+        $push_display = $push_repository->getDisplayName();
+      } else {
+        $push_display = '-';
+      }
+
+      $view->appendLine(
+        pht(
+          'Push Repository: %s',
+          $push_display));
+
       $fetch_uri = $remote->getFetchURI();
       if ($fetch_uri === null) {
         $fetch_uri = '-';
@@ -164,6 +181,18 @@
           'Fetch URI: %s',
           $fetch_uri));
 
+      $fetch_repository = $remote->getFetchRepositoryRef();
+      if ($fetch_repository) {
+        $fetch_display = $fetch_repository->getDisplayName();
+      } else {
+        $fetch_display = '-';
+      }
+
+      $view->appendLine(
+        pht(
+          'Fetch Repository: %s',
+          $fetch_display));
+
       echo tsprintf('%s', $view);
     }
   }