diff --git a/app/assets/stylesheets/maps.scss b/app/assets/stylesheets/maps.scss
index 0d69e7481..f7dda3343 100644
--- a/app/assets/stylesheets/maps.scss
+++ b/app/assets/stylesheets/maps.scss
@@ -6,6 +6,13 @@
   border:1px solid black;
   margin-top: 1em;
 }
+.map-tag {
+  position: relative;
+  float: right;
+  width: calc(100% - 980px);
+  min-width: 265px;
+  height: 400px;
+}
 
 #large-map {
   height: 72%;
diff --git a/app/controllers/issues_controller.rb b/app/controllers/issues_controller.rb
index 833d7f6a5..54a3aee9f 100644
--- a/app/controllers/issues_controller.rb
+++ b/app/controllers/issues_controller.rb
@@ -2,6 +2,7 @@
 
 class IssuesController < ApplicationController
   include MessageCreator
+  include IssueFeature
 
   filter_access_to %i[edit update destroy], attribute_check: true
   protect_from_forgery except: :vote_detail
@@ -140,29 +141,6 @@ def index_start_location
     SiteConfig.first.nowhere_location
   end
 
-  def issue_feature(issue, bbox = nil)
-    geom = bbox.to_geometry if bbox
-    creator_name = if permitted_to? :view_profile, issue.created_by
-                     issue.created_by.name
-                   else
-                     issue.created_by.display_name_or_anon
-                   end
-    creator_url = if permitted_to? :view_profile, issue.created_by
-                    view_context.url_for user_profile_path(issue.created_by)
-                  else
-                    "#"
-                  end
-
-    issue.loc_feature(thumbnail: issue.medium_icon_path,
-                      anchor: issue.medium_icon_anchor,
-                      image_url: issue.tip_icon_path,
-                      title: issue.title,
-                      size_ratio: issue.size_ratio(geom),
-                      url: view_context.url_for(issue),
-                      created_by: creator_name,
-                      created_by_url: creator_url)
-  end
-
   def issue
     @issue ||= Issue.find(params[:id])
   end
diff --git a/app/controllers/tags_controller.rb b/app/controllers/tags_controller.rb
index 0f1edf5b1..cd1e17bf7 100644
--- a/app/controllers/tags_controller.rb
+++ b/app/controllers/tags_controller.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class TagsController < ApplicationController
+  include IssueFeature
+
   def autocomplete_tag_name
     term = params[:term]
 
@@ -22,6 +24,10 @@ def show
       @query = @tag.name
       issues = Issue.find_by_tag(@tag).order(updated_at: :desc).page(params[:issue_page])
       issues = issues.intersects(current_group.profile.location) if current_group
+      bbox = RGeo::Cartesian::BoundingBox.new(RGeo::Geographic.spherical_factory(srid: 4326))
+      issues.each { |iss| bbox.add(iss.location) }
+      @start_location = { fitBounds: [[bbox.min_y, bbox.min_x], [bbox.max_y, bbox.max_x]] }.to_json
+
       @issues = IssueDecorator.decorate_collection issues
       unfiltered_results = MessageThread.find_by_tag(@tag).includes(:issue, :group).order(updated_at: :desc)
       threads = Kaminari.paginate_array(
@@ -36,7 +42,7 @@ def show
                                                  .includes(:users, :issue)
                                                  .page params[:planning_page]
       @planning_applications = PlanningApplicationDecorator.decorate_collection planning_applications
-
+      @full_page = true
     else
       @unrecognised_tag_name = params[:id]
     end
@@ -45,4 +51,19 @@ def show
   def index
     @tags = Tag.top_tags(200)
   end
+
+  def all_geometries
+    tag = Tag.find_by name: params[:id]
+    bbox = bbox_from_string(params[:bbox], Issue.rgeo_factory)
+    issues = Issue.find_by_tag(tag).by_most_recent
+    issues = issues.intersects(current_group.profile.location) if current_group
+    issues = issues.intersects_not_covered(bbox.to_geometry) if bbox
+
+    # TODO: refactor this into decorater
+    decorated_issues = issues.select_area.order(:area).map { |issue| issue_feature(IssueDecorator.decorate(issue), bbox) }
+    collection = RGeo::GeoJSON::EntityFactory.new.feature_collection(decorated_issues)
+    respond_to do |format|
+      format.json { render json: RGeo::GeoJSON.encode(collection) }
+    end
+  end
 end
diff --git a/app/views/tags/show.html.haml b/app/views/tags/show.html.haml
index 15551b9bf..38cce2ddf 100644
--- a/app/views/tags/show.html.haml
+++ b/app/views/tags/show.html.haml
@@ -2,6 +2,11 @@
   %h1= t ".heading", name: @tag.name
   - if current_group
     %p= t ".introduction_groupwise_html", area_of_group_link: link_to(t(".area_of_group", group_name: current_group.name), root_path)
+  - map_id = "leaflet-all-tags"
+  .map-tag{id: map_id}
+  .hidden
+    .map-data{"data-center" => @start_location,
+      "data-opts" => {domid: map_id, search: true, remote: {'Issues' => all_geometries_tag_path(@tag, :json)}}.to_json}
 
   = render partial: 'shared/search'
 - else
diff --git a/config/authorization_rules.rb b/config/authorization_rules.rb
index bcae5c835..715a76d1e 100644
--- a/config/authorization_rules.rb
+++ b/config/authorization_rules.rb
@@ -237,7 +237,7 @@
     has_permission_on :pages, to: :show
     has_permission_on :api_v1_issues, to: :index
     has_permission_on :site_comments, to: %i[new create]
-    has_permission_on :tags, to: %i[show autocomplete_tag_name index]
+    has_permission_on :tags, to: %i[show autocomplete_tag_name index all_geometries]
     has_permission_on :user_profiles, to: :view do
       if_permitted_to :view_profile
     end
diff --git a/config/routes.rb b/config/routes.rb
index dce978a55..95c748529 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -178,6 +178,7 @@ def issues_route(opts = {})
 
   resources :tags, only: %i[show index] do
     get :autocomplete_tag_name, as: :autocomplete, on: :collection
+    get :all_geometries, on: :member
   end
   resource :home, only: [:show], controller: "home"