Ordnance Survey Northern Ireland
Map of Lough Allen: OSNI Discoverer 26
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Discoverer 26 spotlights Lough Allen’s big skies and wild shores. Ideal for walkers, cyclists, and casual explorers alike.
Skim Lough Allen’s bays by kayak or canoe. Snap sunrise reflections across the lough’s broad expanse. Ramble near Drumshanbo on lakeside lanes and looped walks.
Climb Slieve Anierin for wide, rewarding viewpoints. Follow borderland trails around Blacklion and Swanlinbar. Pause often for wildlife, waterbirds, and big horizons.
Enjoy the wild character that defines Lough Allen’s landscape. Discover routes that make lasting memories.
What does OS Northern Ireland Discoverer 26 cover?
- Lough Allen
- Drumkeeran
- Drumshanbo
- Ballinamore
- Ballywalter
- Manorhamilton
- Blacklion
- Swanlinbar
- Lough Macnean (Upper & Lower)
- 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: 16/08/2024
- Map Format: Folded
- Physical Size - Folded: 12.4 x 1.1 x 17.3 cm
- Cover image: Lough Allen

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.
An estimated delivery date will be shown in checkout once you enter your address and pick a delivery option.
Sorry, we do not currently deliver outside of the UK.
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