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Garmin Oregon 300

Product Code: GARO300

Garmin Oregon 300 bundled with GB Discoverer National Parks 1:50k on microSD,SD card puts the great outdoors at your fingertips. This Garmin handheld features a rugged, touchscreen along with a built-in basemap, high-sensitivity receiver, barometric altimeter, electronic compass, microSD card slot, colour display, picture viewer and more.

Garmin Oregon 300 compact high-resolution 3-inch diagonal TFT colour display handheld GPS device accepts Garmin microSD cards for adding optional maps on the go. You can even exchange tracks, waypoints, routes and geocaches wirelessly between similar units. The Garmin Oregon 300 is powered via two AA batteries.

This special bundle pack includes large carrying case, handlebar mount and belt clip.



Garmin Oregon 300 has been discontinued.

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Garmin Oregon 300 with GB Discoverer National Parks 1:50k leads the way with a tough, 3-inch diagonal, sunlight-readable, colour touchscreen display. This special Garmin Oregon 300 bundle includes both Garmin GB Discoverer National Parks 1:50k with mapping data from Ordnance Survey and NAVTEQ streetmaps for the whole of Great Britain on a single plug and play microSD card.

Garmin Oregon 300 easy-to-use interface means you’ll spend more time enjoying the outdoors and less time searching for information. Both durable and waterproof, the Garmin Oregon 300 is built to withstand the elements. Bumps, dust, dirt, humidity and water are no match for this rugged navigator.

Garmin Oregon 300 comes with a built-in worldwide basemap with shaded contours. Simply touch the colour screen to navigate. Its digital elevation maps show you shaded contours at higher zoom levels, giving you a big picture of the surrounding terrain.

With Garmin Oregon 300 you can share your waypoints, tracks, routes and geocaches wirelessly other Garmin Oregon 300 and 400t users. Now you can send your favourite hike to your friend to enjoy or the location of a cache to find. Sharing data is easy. Just touch “send” to transfer your information to similar units.

With its high-sensitivity, WAAS-enabled GPS receiver, the Garmin Oregon 300 locates your position quickly and precisely and maintains its GPS location even in heavy cover and deep valleys. The advantage is clear - whether you're in deep woods or just near tall buildings and trees, you can count on Garmin Oregon 300 to help you find your way when you need it the most.

Electronic Compass

The Garmin Oregon 300 is ideal for manual navigation off the beaten track, a built-in electronic compass keeps you on course. It even gives you bearing information whenm standing still. Seek out a waypoint and navigate easily to a mapped position.

Barometric Altimeter

A built-in barometer tracks change in atmospheric pressure to pinpoint your precise altitude. The Garmin Oregon 300 altimeter screen plots elevation and profile. You can even plot barometric pressure over time to keep an eye on changing weather conditions.

Handheld/Outdoor FAQs

Do you have a question about the Garmin Oregon 300 GB Discoverer or other handheld GPS related question that's not been answered on this webpage? Please see our handheld and Outdoor GPS FAQs page for questions from other customers.Plus if the answer to your question isn't featured, use the online form to ask us for the answer. Alternatively please telephone 01733 777623 Monday to Friday (9:30am-5:00pm) to speak to one of our sales team. For further information online please see the Garmin Oregon comparison table.

Key Features

‣3-inch TFT sunlight-readable, colour, touchscreen display
‣Preloaded worldwide basemap with shaded relief
‣Includes Garmin GB Discoverer National Parks 1:50k microSD card
‣Includes NAVTEQ streetmaps for the whole of Great Britain
‣Stores 1000 waypoints and 50 routes
‣Provides automatic turn-by-turn directions with optional City Navigator maps
‣High-sensitivity GPS receiver for peak performance in any environment
‣Electronic compass
‣Barometric altimeter
‣Audible beeper alarm with configurable tone
‣USB compatible for various downloads
‣Waterproof standard: IEC 60529 IPX7
‣850MB internal memory for map data
‣Wirelessly share routes, tracks, waypoints and geocaches between units
‣microSD card slot for additional map data
‣2 AA batteries (not included) provides 18 hours of use
‣Weighs 192.7 grams with batteries
‣USB and NMEA 0183 Interface
‣1 year guarantee

Map Coverage

The Garmin Oregon 300 with GB Discoverer National Parks 1:50k is preloaded with a worldwide basemap with shaded relief. A separate supplied microSD card includes Garmin GB Discoverer National Parks 1:50k and NAVTEQ streetmaps for the whole of Great Britain.

Add additional maps to your Garmin Oregon 300

Really bring your Garmin Oregon 300 to life with Garmin's series of mapping available on microSD/SD card, that simply plug directly into the Garmin Oregon 300 handheld GPS.

Garmin TOPO Maps

Great for walking, trekking, cycling and more with topographical data provided by Ordnance Survey and road maps provided by NAVTEQ. Garmin TOPO with detailed coverage of England, Scotland and Wales, perfect for your next recreational outing. View available Garmin Oregon 300 TOPO Maps.

Garmin GB Discoverer Maps

Explore Great Britain with detailed 1:25k or 1:50k topographic and road maps. Garmin GB Discoverer contains Ordnance Survey Landranger map coverage for either a single National Park to all of Great Britain. Plus, with NAVTEQ road data and points of interest, you'll get turn-by-turn directions to your destinations View available Garmin Oregon 300 GB Discoverer Maps.

Garmin BlueChart Maps

Garmin BlueChart g2 marine maps feature crisp labeling and an overall smoother presentation on your Garmin Oregon 300 display. In addition to the basic charts, tidal stations, currents, depth contours, IALA symbols and included fishing charts, BlueChart g2 offers improved transitioning between zoom levels and more seamless continuity across chart boundaries. View available Garmin BlueChart Maps.

Garmin City Navigator NT Maps

Garmin streetlevel maps available for using with your Garmin Oregon 300 include; UK and Ireland, France and Benelux, Spain and Portugal, Germany, Italy and North America. View available Garmin Oregon 300 City Navigator NT Maps.

What's in the box? (when purchased from

‣Garmin Oregon 300
‣GB Discoverer National Parks 1:50k on microSD, SD card
‣Carabiner clip
‣USB cable
‣Owner's manual on CD-Rom
‣Quick start guide

Plus separate box containing large carrying case, handlebar mount and belt clip.

Garmin Oregon 300 Accessories

Looking for accessories to use with the Garmin Oregon 300 handheld device? We sell a vast selection of genuine parts and spares including Oregon 300 slip case, retractable lanyard, carabiner clip and bike/handlebar mount.

View all Garmin Oregon 300 accessories

Garmin Oregon 300 Maps

Optional Garmin maps for Garmin Oregon 300 are supplied on SD/microSD Card, these include; street-level road maps - perfect for cycling of using your Oregon 300 in a car, 1:50k and 1:25k Ordnance Survey maps - ideal for hiking and walking the countryside of Great Britain and marine BlueCharts g3 - ideal if you want to navigate the waters around the UK, Europe or further afield.

View all Garmin Oregon 300 maps

Garmin Oregon 300 Technical Specification

‣Technology: GPS
‣Display: 240 x 400 pixels, 256 level color TFT
‣Waypoints: 1000
‣Routes: 50
‣Track log: 10,000 points, 20 saved tracks
‣Built-in memory: 850MB
‣Electronic compass: Yes
‣Barometric altimeter: Yes
‣Data cards: microSD card
‣Battery: 2 AA batteries (not included) up to 18 hours operation
‣Waterproof: Yes (IPX7)
‣Dimensions: Width - 58mm, Height - 114mm, Depth - 35mm
‣Weight: 192.7g
‣Guarantee: 1-year
Garmin Oregon 300 manual

Manual requires Adobe Acrobat Reader
Download a free copy here

This product is a sophisticated electronic device which requires that you read, understand, and act upon the information given in the instruction manual (usually available via the above 'manual' link). You will need internet access and, in accordance with the manufacturers’ recommendations, regularly seek out and accept all firmware or software updates offered by the manufacturer. All GPS devices need to ‘see’ the satellites in the sky. Therefore you will need to know that your vehicle does not have glass that will block or impede the GPS signal.

Updates to this product are via the internet. At this product page we state compatibility with specific versions of current internet connection devices, for example: PC, laptop, MAC, smartphone etc. The Consumer Contract Regulations allow you 14 days, from receipt of purchase, to check compatibility with your internet connection device/s. If you choose to replace or update your PC, MAC etc. neither we nor the manufacturer will be responsible if the new/replacement Operating System (OS) is not compatible with the purchased product.

Why buy from us?

We are official Authorised Internet Retailers for Garmin. We sell genuine Garmin products, accessories and maps. We purchase from assigned Garmin UK distributors. We do not buy on the grey market and we do not sell counterfeit products. You can rest assured that by purchasing from ActiveGPS you will receive the full support of Garmin.

Page updated: 15th March 2024

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01733 777623

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