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This handheld GPS features full Great Britain and Ireland Topo with the included GB Discoverer microSD card. The GPSMAP 66s from Garmin has a high sensitivity receiver and uses GLONASS satellites for a faster, more reliable signal lock even under thick tree cover.

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Product code: 15989236 / 135727

With 1:50k mapping display included in the bundle giving great accuracy when walking. Garmin will also offer a free trial 1:25k maps letting you experience greater accuracy and additional technical GPS information.


  • Rugged handheld GPS with full GB Mapping
  • GB Discoverer microSD card - Detailed coverage of all of Great Britain in Ordnance Survey 1:50k scale
  • 2,6" sunlight-readable colour screen - Brilliant visibility that's easy to operate with any kind of gloves
  • High-sensitivity Advanced Sensor GPS and GLONASS receiver with quad helix antenna - Locks on to a signal much quicker and stays locked even undercover or trees or near tall buildings
  • Live Tracking - Send an invite via email or social media, and friends and family can follow your adventures in real time on Garmin Connect™
  • Smart Notification - Allows you to wirelessly receive email, texts and alerts from your compatible iPhone® 4s or later
  • SOS Beacon 
  • 1-year BirdsEye Satellite Imagery subscription
  • Also includes a Worldwide base map with shaded relief
  • Barometric altimeter - Pinpoints your position more accurately on steep inclines using air pressure
  • 3-axis tilt compensated compass - Gives a clear reading without having to hold it steady
  • Outdoor optimised dual battery system - Use AAs or the optional NiMH battery pack, which has the added bonus that it can be charged while inside the device
  • Preloaded Geocaches - Start geocaching immediately by choosing from the 250,000 pre-loaded geocaches from
  • Compatible with night vision goggles 
  • Wireless connectivity via Bluetooth® technology or ANT+™
  • Unit dimensions: WxHxD 6.2 x 16.3 x 3.5 cm
  • Display size: WxH 3.6 x 5.5 cm; 6.6 cm diagonal
  • Display resolution: WxH 160 x 240 pixels
  • Display type: Transflective, 65-K colour TFT
  • Weight: 230g
  • Battery: 2 AA batteries (not included); NiMH or Lithium recommended
  • Battery life: 16 hours
  • Water rating: IPX7
  • Interface: high-speed USB and NMEA 0183 compatible
  • Built-in memory: 3.5 GB
  • Waypoints/favorites/locations: 5000
  • Routes: 200
  • Track log: 10,000 points, 200 saved tracks
  • Also included: GB Discoverer™ 1:50k Ordnance Survey® maps of Great Britain on microSD™ card, 1-year BirdsEye Satellite Imagery subscription, Carabiner clip, USB cable
100206404 8526912010#
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This product qualifies for the following delivery methods

Standard UK Delivery (3 - 5 Days) (FREE)


A tracking link will be provided once your order is despatched.

Premium Express Delivery (£6.95)


A tracking link will be provided once your order is despatched.

Bike Delivery (Up to 7 Days) (FREE)


This applies to all bikes, and these orders are upgraded to a specialist courier service.

Free Standard In Store (FREE)


Collect In Store (FREE)


Premium Next Day (£6.95)


Next day cannot be offered in the following areas, and will be attempted within 48 hours: BT (all Northern Ireland), GY, IM, JE, KW11-17, HS, PH32-35, ZE.

International delivery

From £4.99 to over 200 countries worldwide. Some restrictions apply.


Returning orders to us is easy. Whatever your reason, we offer a refund or exchange within 28 days of delivery or collection.

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