Ordnance Survey Northern Ireland
Map of Monaghan-Keady: OSNI Discoverer 28
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Discoverer 28 highlights Monaghan’s drumlin landscapes and rolling countryside. Ideal for walkers, cyclists, and outdoor explorers alike.
Stretch your legs around Monaghan’s countryside trails and green backroads. Loop through Castleblayney’s lakeside scenery near Lough Muckno. Take easy routes between hedgerows and rounded hills.
Venture onto Crossmaglen’s borderland tracks and wooded lanes. Drift through Markethill’s rural routes and gentle climbs. Meander near Keady where hills open into wide views.
Explore the unique terrain of Monaghan. Enjoy outings with fresh air and stunning views.
What does OS Northern Ireland Discoverer 28 cover?
- Monaghan
- Keady
- Castleblayney
- Crossmaglen
- Markethill
- Cootehill
- Middletown
- Cullyhanna
- Newtownhamilton
- and much more...
Why an OS Northern Ireland Discoverer Map?
Perfect for relaxed day trips, scenic walks, and adventurous cycling. Plan a short, peaceful stroll or a longer, energetic route. Enjoy clear, reliable detail wherever your journey leads
Each map covers a generous 40km by 30km area. Clear 10m contours help you understand the landscape easily. The reverse side also highlights townlands for simple reference.
Spot cafés, campsites, car parks and leisure points. Follow marked paths with simple, intuitive symbols. Explore with confidence and enjoy every moment.
Specifications:
- Publication Date: 06/10/2017
- Map Format: Folded
- Physical Size - Folded: 12.4 x 1.1 x 17.3 cm
- Cover image: Tassagh Viaduct and Beetling Mill, near Keady

Discoverer 1:50 000 scale
Every 2cm is 1km, to show key elements such as footpaths, minor roads, and tourist information

Be ready for anything!
Whether it’s a long hike, a cycling tour, or a driving holiday – Discoverer maps are the perfect companion

Topographic mapping
Highly detailed contour mapping highlighting variations in terrain and everything you would expect from a map
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Delivery times
Order before 3pm weekdays for:
- Free standard delivery in up to five working days
- 1st Class delivery in 1-2 working days
- Priority Express Next Day delivery on the next working day
OS Historical 1896-1904 Maps, Relief Maps and Custom Made Map orders will take one extra day for printing. Framed and canvas products are handmade and usually take 10-12 working days to dispatch. If you order on a bank holiday we'll start on your order on the next working day. Standard delivery for OS Historical 1896 - 1904 Maps and Relief Maps are sent RM 48, and Next Day Delivery will be sent out Royal Mail 24.
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