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Garmin GB Discoverer 1:50K Maps of All of Great Britain microSD/SD card

Product Code: GGBGBM1

If you are looking to explore throughout the British Isles, then the GB Discoverer all of Great Britain 1:50 000 scale map is the perfect map to use with your compatible Garmin system.

Using map data from the Ordnance Survey OS Landranger map range, these maps provide on-screen rescalable and routable maps, where you'll be able to explore trails, paths, roads and rights of way all with OS 1:50 000 scale map detail. The map comes preloaded on a SD/microSD Card, which then inserts into your Garmin device.

All of Great Britain OS map on SD includes the entire British isles with the exception of the Isle of Man.

Garmin part number: 010-C1043-00

Compatibility: Compatible with Garmin Dakota 20, eTrex 20/25/30/35, Edge 800/810/1000, Edge Touring/Touring Plus, GPSMAP 62s/62st/62stc, 64/64s/64st, 66s/66st, 78/78s/78sc, 276Cx, Rino 650/650t/655t/750t/755t, Monterra, Colorado range, Montana range, nuvi 500 range, Oregon range. View the full list of compatible Garmin products here or scroll down to 'What is the map compatible with?'.

Please note: This is mapping software only - you need to already own (or purchase) one of the above Garmin devices.



Garmin GB Discoverer All of Great Britain microSD/SD card has been discontinued.

The replacement map is the Garmin TOPO Great Britain V3 PRO 1:50K microSD/SD card.

Great Britain OS maps are now available within either the Garmin TOPO GB 1:50K map or the Garmin TOPO GB 1:25K map both of which come supplied on pre-programmed SD/microSD card. Please see either map version page for full details and list of compatible Garmin models e.g. Garmin Montana 680t.


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All of Great Britain OS Landranger

Explore and navigate all of Great Britain with confidence using this genuine Garmin GB Discoverer map which comes supplied on SD card.

Simply insert the microSD/SD card into your compatible Garmin unit and you are ready to walk, hike, ride or hack all of Great Britain with an OS map at a scale of 1:50K.

What the 1:50K all of Great Britain map provides

When inserted into a compatible Garmin device the GB Discoverer all of Great Britain maps provide Ordnance Survey (OS) maps at a scale of 1:50 000 for the entire British Isles. The map data is the same as the scale found in the OS Landranger map series (same as the OS pink cover paper maps). Rather than having folding paper maps to deal with, OS map are all on your Garmin's screen and in the palm of your hand. Click here to read more about Garmin GB Discoverer map series.

Pictured left: The Garmin Montana 680 with on-screen OS Landranger 1:50 000.

Please note: Display may differ from unit to unit. Garmin GPS device sold separately.

Key Features

‣1:50 000 Ordnance Survey Landranger maps for all of Great Britain
‣here streetmaps for the whole of Great Britain
‣Includes terrain contours, topo elevations, summits, paths and routable roads
‣Designed for walking, trekking, cycling and includes turn-by-turn directions with preloaded Great Britain road maps
‣Full topographic Ordnance Survey mapping
‣Points of interest including campsites, hotels, B&Bs, restaurants, cafe, leisure attractions and geographical reference points
‣Genuine Garmin map

GB Discoverer OS Landranger screen shots

GB Discoverer OS Landranger screen shots

GB Discoverer OS Landranger screen shots

What is the map compatible with?

The all of Great Britain 1:50K map on SD card is compatible with Garmin handheld models manufactured since 2008, and must include an SD or microSD card slot. The models the GB Discoverer map is compatible with are as follows:

Garmin Astro 320, 430, Colorado 300, Colorado 400c, Colorado 400i, Colorado 400t, Dakota 20, Edge Edge 800, Edge 810, Edge 1000, Edge Touring, Edge Touring Plus, epix, eTrex 20, eTrex 20x, eTrex 30, eTrex 30x, eTrex Touch 25, eTrex Touch 35, eTrex Touch 35t, GPSMAP 62s, GPSMAP 62sc, GPSMAP 62st, GPSMAP 62stc, GPSMAP 64, GPSMAP 64s, GPSMAP 64st, GPSMAP 66s, GPSMAP 66st, GPSMAP 78, GPSMAP 78s, GPSMAP 78sc, GPSMAP 79s, GPSMAP 79sc, GPSMAP 86i, GPSMAP 86s, GPSMAP 276Cx, Montana 600, Montana 610, Montana 600t Camo, Montana 650, Montana 650t, Montana 680, Montana 680t, Monterra, nuvi 500, nuvi 510, nuvi 550, Oregon 200, Oregon 300, Oregon 400c, Oregon 400i, Oregon 400t, Oregon 450, Oregon 450t, Oregon 550, Oregon 550t, Oregon 600, Oregon 600t, Oregon 650, Oregon 650t, Oregon 700, Oregon 750, Oregon 750t, Rino 650, Rino 650t, Rino 655t, Rino 750t, Rino 755t.

How to install

Mapping for Great Britain comes supplied on a microSD inside a larger SD card adaptor. To install insert either the full size or microSD card (depending on your model) into a compatible Garmin GPS device (see compatibility list above).

Please note: When using the purchased map, the SD card needs to remain in your Garmin device at all times so the map can be read. The map card cannot be copied to either your Garmin unit or external hard drive. However the map SD card can be used in multiple compatible Garmin devices, but only one at a time. For further help with installing and loading Garmin SD/microSD Cards click here.

Garmin GB Discoverer 1:50K Maps of All of Great Britain Questions and Answers

Question: Not sure whether the GB Discoverer all of Great Britain 1:50 000 scale map is compatible with the Edge 1030 … because the 1030 is not listed under ‘Garmin Discoverer Compatibility’ on your website. I am sure - as the Edge 1030 is your latest product - that it will be but would appreciate confirmation before I buy (perhaps the compatibility list needs updating?).

Answer: Garmin UK have confirmed that the Garmin GB Discoverer 1:50K map is not compatible with Garmin Edge 1030. The Garmin GB Discoverer 1:50K map has also been discontinued by Garmin. However, they have just announced the imminent release of a new Great Britain TOPO 1:50K map which is fully compatible with the Garmin Edge 1030.

Question: Please advise whether I can use the Garmin GB Discoverer 1:50K data card in my MacBook Pro.

Answer: The Garmin GB Discoverer 1:50K Maps of All of Great Britain microSD/SD card can ONLY be viewed on a compatible Garmin device. It cannot be viewed on any other device e.g. PC, laptop, etc.

Do you have a question about the Garmin GB Discoverer 1:50K Maps of All of Great Britain? Submit your question via our contact page.

Other maps to consider

If the 1:50 000 OS scale maps don't have the detail you seek, then you may prefer to buy a GB Discoverer OS Explorer series map instead? You can choose a specific National Park or National Trail in Britain. The scale provided by all of these maps is 1:50 000 and 1:25 000.

GB Discoverer 1:25K National Park maps include: Peddars Way and Norfolk Coast Path, Yorkshire Wolds Way and North Highlands.

GB Discoverer 1:25K National Trail maps include: Pennine Way, Offas Dyke and Yorkshire Wolds Way.

In total there are 42 maps in the complete GB Discoverer series (although some have now been discontinued). To view them all click here.

Why buy from us?

We are official Internet Retailers of Garmin products and we sell the genuine Garmin maps. We always aim to ensure the mapping available at our website is the most recent edition of the software. Beware of other websites selling older mapping that is not the current version of the software.

Page updated: 7th February 2024

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