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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)


Contactless delivery, 7 days a week between 8am-8pm

Premium Express Delivery (£6.95)


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

Bike Delivery (3-5 Days) (£4.99)


Bike delivery is £4.99. This applies to all bikes, and these orders are upgraded to a specialist courier service.

Next Day Delivery (£6.95)


Orders must be placed before 6pm to arrive the next day. 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.

Collect In Store (£3.95)


Delivery times and days vary for each store, but we will contact you when your order is ready to collect. Please do not contact our Customer Care team for updates until after the estimated delivery time in your order confirmation email.

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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