Overview
TwoNav - Regional Zone of GB 1:25k Ordnance Survey Maps Voucher
This TwoNav Digital Product voucher code enables you download via either a computer or Wifi connection on your GPS device, 1 of 10 available Regional Zones of Ordnance Survey 1:25k Explorer Maps per voucher code for Great Britain to your compatible TwoNav GPS Device.
This topographic map contains all kind of accurate data including: elevation contour lines, pathways (from highways to footpaths), huge amount of POIs (points of interest), towns, cities, national parks, etc. Remember that you can display this map in stunning 3D view using a free elevation map (*.CDEM file) also available as a download from TwoNav.
Great Britain Topo (1:25.000) maps are distinguished for there level of accuracy and detail. This topographic map region includes precise information such as elevation contour lines, pathways (from highways to footpaths), points of interest, towns, cities, parks... all in all presented in 1:25.000 with a resolution of 1.25 m/px.
Once you register the voucher code with TwoNav you can download from 1 of 10 available regions to select from of GB OS 1:25k maps to up to 3 x TwoNav GPS devices (Please note that the TwoNav mobile app or Land software also count as a device)
Please see the FAQ's Tab for a map index of where each of the 10 x regions cover
Area Covered : 1 of the 10 regions to select from in GB (Northern Ireland not included)
Source: Ordnance Survey Great Britain
Scale: 1:25.000
Format: Topographic
Memory Size required: Dependent on region see below:
Cumbria + North-East - 1.98gb
Devon + Cornwall - 1.99gb
East Coast - 1.7gb
Grampians - 2.3gb
Midlands + North-West - 2.5gb
Scottish Highlands + Argyle - 1.6gb
Scottish Islands - 0.70gb
Scottish Lowlands - 1.90gb
South-East + South-Central - 2.35gb
Wales - 2.20gb
Resolution: Raster Map @1.25 m/px
Version : 2025
Legend: View
Make sure your device is compatible with this product before purchasing and that you have enough free memory - Please see Compatible Devices Tab
FAQ's
Where do the 10 x regions of Ordnance Survey 1:25k maps cover:
N.B. 1 x purchased vouchers allows you to download 1 of the 10 regions below highlighted in the darker colour, additional vouchers can be purchased to add additonal regions.
Cumbria + North-East - 1.98gb

Devon + Cornwall - 1.99gb

East Coast - 1.7gb

Grampians - 2.3gb

Midlands + North-West - 2.5gb

Scottish Highlands + Argyle - 1.6gb

Scottish Islands - 0.70gb

Scottish Lowlands - 1.90gb

South-East + South-Central - 2.35gb

Wales - 2.20gb

Compatible Devices
Compatible with the following TwoNav devices that we stock -
Aventura 2 Plus
Aventura 2 Plus Motor
Cross Plus
Cross Plus 64gb
Roc
Terra
Terra 64gb
In the box
Digital Product Voucher Code for you to register with TwoNav to download 1 of the 10 regions available of GB OS 1:25k Explorer Maps to your compatible TwoNav device.