Ordnance Survey

At Up and Under in Cardiff, UK, we offer a wide selection of Ordnance Survey (OS) maps and guides, including the highly detailed Explorer and Landranger series. Whether you're hiking the Brecon Beacons, exploring Snowdonia, or navigating the Welsh coastal paths, OS maps provide the trusted, accurate topographic information you need for safe and enjoyable outdoor adventures.
As Britain’s national mapping agency since 1791, Ordnance Survey has built a reputation for unrivalled precision and innovation. Their maps are used by walkers, hikers, cyclists, and outdoor enthusiasts across the UK. With clear contour details, public rights of way, and natural landmarks, OS maps are an essential tool for navigation and route planning.
Visit us in-store or shop online to find the full range of OS maps and navigation guides, and start planning your next journey with Britain’s most reliable and widely used maps.
Ordnance Survey Landranger 1:50 000
The Ordnance Survey Landranger Map series covers mainland UK with 204 individual sheets. They are ideal for day trips and short breaks where the terrain is not too complex. Each map is covered with information to help you to move around and get to know the area.
Ordnance Survey Landranger 1:50 000
The Ordnance Survey Landranger Map series covers mainland UK with 204 individual sheets. They are ideal for day trips and short breaks where the terrain is not too complex. Each map is covered with information to help you to move around and get to know the area.
Ordnance Survey Landranger 1:50 000
The Ordnance Survey Landranger Map series covers mainland UK with 204 individual sheets. They are ideal for day trips and short breaks where the terrain is not too complex. Each map is covered with information to help you to move around and get to know the area.
Ordnance Survey Landranger 1:50 000
The Ordnance Survey Landranger Map series covers mainland UK with 204 individual sheets. They are ideal for day trips and short breaks where the terrain is not too complex. Each map is covered with information to help you to move around and get to know the area.
Ordnance Survey Landranger 1:50 000
The Ordnance Survey Landranger Map series covers mainland UK with 204 individual sheets. They are ideal for day trips and short breaks where the terrain is not too complex. Each map is covered with information to help you to move around and get to know the area.
Ordnance Survey Landranger 1:50 000
The Ordnance Survey Landranger Map series covers mainland UK with 204 individual sheets. They are ideal for day trips and short breaks where the terrain is not too complex. Each map is covered with information to help you to move around and get to know the area.
Ordnance Survey Landranger 1:50 000
The Ordnance Survey Landranger Map series covers mainland UK with 204 individual sheets. They are ideal for day trips and short breaks where the terrain is not too complex. Each map is covered with information to help you to move around and get to know the area.
Ordnance Survey Landranger 1:50 000
The Ordnance Survey Landranger Map series covers mainland UK with 204 individual sheets. They are ideal for day trips and short breaks where the terrain is not too complex. Each map is covered with information to help you to move around and get to know the area.
Ordnance Survey Landranger 1:50 000
The Ordnance Survey Landranger Map series covers mainland UK with 204 individual sheets. They are ideal for day trips and short breaks where the terrain is not too complex. Each map is covered with information to help you to move around and get to know the area.
Ordnance Survey Landranger 1:50 000
The Ordnance Survey Landranger Map series covers mainland UK with 1:50 000 scale mapping. They are ideal for day trips and short breaks where the terrain is not too complex. Popular titles for us include: Landranger 115 - Snowdon Landranger 124 - Dolgellau Landranger 147 - Elan Valley and Builth Wells Landranger 157 - St. Davids and Haverfordwest Landranger 159 - Swansea and Gower Landranger 160 - Brecon Beacons Landranger 162 - Gloucester and Forest of Dean Landranger 170 - Vale of Glamorgan and Rhondda Landranger 171 - Cardiff and Newport Landranger 188 - Maidstone and Weald of Kent
Ordnance Survey Landranger 1:50 000
The Ordnance Survey Landranger Map series covers mainland UK with 204 individual sheets. They are ideal for day trips and short breaks where the terrain is not too complex. Each map is covered with information to help you to move around and get to know the area.
Ordnance Survey Landranger 1:50 000
The Ordnance Survey Landranger Map series covers mainland UK with 204 individual sheets. They are ideal for day trips and short breaks where the terrain is not too complex. Each map is covered with information to help you to move around and get to know the area.
Ordnance Survey Landranger 1:50 000
The Ordnance Survey Landranger Map series covers mainland UK with 204 individual sheets. They are ideal for day trips and short breaks where the terrain is not too complex. Each map is covered with information to help you to move around and get to know the area.
Ordnance Survey Landranger 1:50 000
The Ordnance Survey Landranger Map series covers mainland UK with 204 individual sheets. They are ideal for day trips and short breaks where the terrain is not too complex. Each map is covered with information to help you to move around and get to know the area.
Ordnance Survey Explorer 1:25 000
These 403 individual Ordnance Survey Explorer Maps provide 1:25 000 mapping to the whole of the UK. With a 4cm to 1km gridded scale this is the best map for anyone operating in the outdoors, whatever your pursuit. The Explorer will get you where you want to be by road and then take you off-road on foot, by bike or horseback.
Ordnance Survey Explorer 1:25 000
These 403 individual Ordnance Survey Explorer Maps provide 1:25 000 mapping to the whole of the UK. With a 4cm to 1km gridded scale this is the best map for anyone operating in the outdoors, whatever your pursuit. The Explorer will get you where you want to be by road and then take you off-road on foot, by bike or horseback.
Ordnance Survey Explorer 1:25 000
These 403 individual Ordnance Survey Explorer Maps provide 1:25 000 mapping to the whole of the UK. With a 4cm to 1km gridded scale this is the best map for anyone operating in the outdoors, whatever your pursuit. The Explorer will get you where you want to be by road and then take you off-road on foot, by bike or horseback.
Ordnance Survey Explorer 1:25 000
These 403 individual Ordnance Survey Explorer Maps provide 1:25 000 mapping to the whole of the UK. With a 4cm to 1km gridded scale this is the best map for anyone operating in the outdoors, whatever your pursuit. The Explorer will get you where you want to be by road and then take you off-road on foot, by bike or horseback.
Ordnance Survey Explorer 1:25 000
These 403 individual Ordnance Survey Explorer Maps provide 1:25 000 mapping to the whole of the UK. With a 4cm to 1km gridded scale this is the best map for anyone operating in the outdoors, whatever your pursuit. The Explorer will get you where you want to be by road and then take you off-road on foot, by bike or horseback.
Ordnance Survey Explorer 1:25 000
These 403 individual Ordnance Survey Explorer Maps provide 1:25 000 mapping to the whole of the UK. With a 4cm to 1km gridded scale this is the best map for anyone operating in the outdoors, whatever your pursuit. The Explorer will get you where you want to be by road and then take you off-road on foot, by bike or horseback.
Ordnance Survey Explorer 1:25 000
These 403 individual Ordnance Survey Explorer Maps provide 1:25 000 mapping to the whole of the UK. With a 4cm to 1km gridded scale this is the best map for anyone operating in the outdoors, whatever your pursuit. The Explorer will get you where you want to be by road and then take you off-road on foot, by bike or horseback.
Ordnance Survey Explorer 1:25 000
These 403 individual Ordnance Survey Explorer Maps provide 1:25 000 mapping to the whole of the UK. With a 4cm to 1km gridded scale this is the best map for anyone operating in the outdoors, whatever your pursuit. The Explorer will get you where you want to be by road and then take you off-road on foot, by bike or horseback.
Ordnance Survey Explorer 1:25 000
These 403 individual Ordnance Survey Explorer Maps provide 1:25 000 mapping to the whole of the UK. With a 4cm to 1km gridded scale this is the best map for anyone operating in the outdoors, whatever your pursuit. The Explorer will get you where you want to be by road and then take you off-road on foot, by bike or horseback.
Ordnance Survey Explorer 1:25 000
These 403 individual Ordnance Survey Explorer Maps provide 1:25 000 mapping to the whole of the UK. With a 4cm to 1km gridded scale this is the best map for anyone operating in the outdoors, whatever your pursuit. The Explorer will get you where you want to be by road and then take you off-road on foot, by bike or horseback.
Ordnance Survey Explorer 1:25 000
These 403 individual Ordnance Survey Explorer Maps provide 1:25 000 mapping to the whole of the UK. With a 4cm to 1km gridded scale this is the best map for anyone operating in the outdoors, whatever your pursuit. The Explorer will get you where you want to be by road and then take you off-road on foot, by bike or horseback.
Ordnance Survey Explorer 1:25 000
These 403 individual Ordnance Survey Explorer Maps provide 1:25 000 mapping to the whole of the UK. With a 4cm to 1km gridded scale this is the best map for anyone operating in the outdoors, whatever your pursuit. The Explorer will get you where you want to be by road and then take you off-road on foot, by bike or horseback.
Ordnance Survey Explorer 1:25 000
These 403 individual Ordnance Survey Explorer Maps provide 1:25 000 mapping to the whole of the UK. With a 4cm to 1km gridded scale this is the best map for anyone operating in the outdoors, whatever your pursuit. The Explorer will get you where you want to be by road and then take you off-road on foot, by bike or horseback.
Ordnance Survey Explorer 1:25 000
These 403 individual Ordnance Survey Explorer Maps provide 1:25 000 mapping to the whole of the UK. With a 4cm to 1km gridded scale this is the best map for anyone operating in the outdoors, whatever your pursuit. The Explorer will get you where you want to be by road and then take you off-road on foot, by bike or horseback.
Ordnance Survey Explorer 1:25 000
These 403 individual Ordnance Survey Explorer Maps provide 1:25 000 mapping to the whole of the UK. With a 4cm to 1km gridded scale this is the best map for anyone operating in the outdoors, whatever your pursuit. The Explorer will get you where you want to be by road and then take you off-road on foot, by bike or horseback.
Ordnance Survey Explorer 1:25 000
These 403 individual Ordnance Survey Explorer Maps provide 1:25 000 mapping to the whole of the UK. With a 4cm to 1km gridded scale this is the best map for anyone operating in the outdoors, whatever your pursuit. The Explorer will get you where you want to be by road and then take you off-road on foot, by bike or horseback.
Ordnance Survey Explorer 1:25 000
These 403 individual Ordnance Survey Explorer Maps provide 1:25 000 mapping to the whole of the UK. With a 4cm to 1km gridded scale this is the best map for anyone operating in the outdoors, whatever your pursuit. The Explorer will get you where you want to be by road and then take you off-road on foot, by bike or horseback.
Ordnance Survey Explorer 1:25 000
These 403 individual Ordnance Survey Explorer Maps provide 1:25 000 mapping to the whole of the UK. With a 4cm to 1km gridded scale this is the best map for anyone operating in the outdoors, whatever your pursuit. The Explorer will get you where you want to be by road and then take you off-road on foot, by bike or horseback.