OS Maps: Explore hiking trails

In-app purchases
2.9
12.2K reviews
1M+
Downloads
Content rating
Everyone
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About this app

Explore the great outdoors the way you want, all while staying safe with OS Maps. Whether you want to hike, bike or run, OS Maps will guide you with amazing trails across the USA.
Want to find new places in your local neighbourhood? Or plan that next thru-hiking adventure? From breathtaking National Parks to easy walks along the coast, experience the thrill of finding a brand new trail that you never even knew existed with OS Maps.
Why you’ll love using OS Maps:
• EXPLORE NEW PLACES, CREATE NEW ADVENTURES
Plan unlimited trails with detailed, up to date maps across the country and discover that next great trail! Whether you love to hike, bike or run, there’s multiple map layers to suit any activity, including topographic and aerial maps.
• TRAILS AT YOUR FINGERTIPS
Search for the best trails in an area as rated by fellow outdoor enthusiasts and plot your own trail to follow, share and record.
• VIEW & DOWNLOAD MAPS OFFLINE
No cell reception? No problem. Download your favorite areas to save and view offline – so you can view your maps and routes even without cell reception. Plus, you can export your favourite trails & routes to your GPX device.
• TRAIL MAPS TO SUIT ANY ACTIVITY
Choose from multiple map layers; plan activities & find trails with detailed topographic mapping; or explore the landscape in stunning detail with aerial view. You can even see the world in 3D on desktop with 3D map layers.
• RECORD, REVIEW & RELIVE ACTIVITIES
Use the activity tracking feature, and activity history dashboard to track each & every adventure. Look back on past activities & review your stats.
• STAY SAFE ON THE TRAIL
Live GPS location tracking and never miss a turn with off-course alerts will keep you on track. Download trails, routes and maps and share with others.
• USE ON EVERY DEVICE
View, create and sync your activities between desktop and phone. On desktop, premium users can use our 3D aerial mapping to see detail on terrain, explore in stunning 3D and print maps.
• PLANNING MADE EASY
Use OS Maps as your off-road GPS tracker with automatic ‘snap-to-path’ making route planning easy with the shortest distance between your waypoints plotted automatically.
• UNLIMITED PRINTING
Print copies of trails and maps to take with you so you always have a backup to hand.
• USEFUL INFO
$4.99 for monthly subscriptions and $28.99 for annual subscriptions
Battery life can be dramatically decreased by using GPS constantly.
We release updates to all of our apps as we improve them, making them even more stable and adding extra features. Along the way, your feedback and comments about those apps are really important to us. If there’s an issue or something you’d like us to know, head to https://www.ordnancesurvey.co.uk/contact-us
OS Maps offers an auto-renewing monthly subscription and an auto-renewing yearly subscription to provide you with premium access to OS Maps while you maintain an active subscription. If you chose to purchase a premium subscription, your payment will be processed by Google.
Subscriptions may be managed through the Google Play App after purchase. Subscriptions on Google Play are renewed automatically unless you unsubscribe at least 24-hours before the end of the current period. Your Google account will be charged for renewal no more than 24 hours before to the end of the current period. You may cancel a subscription at any time before the end of the applicable billing period by going to your Subscriptions list on the Google Play App.
Terms and conditions: http://os.uk/termsosmaps
Privacy policy: http://os.uk/privacy
Updated on
5 Aug 2022

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age The developer provided this information and may update it over time.
This app may share these data types with third parties
App activity and App info and performance
This app may collect these data types
Location, Health and fitness and 2 others
Data is encrypted in transit
You can request that data be deleted
2.9
12.2K reviews
Simon Cunliffe
8 August 2022
The best app I have! I use this app virtually every day and have had very little issue with it. I was surprised to read some of the reviews about it crashing. Not something which has happened to me, my guess would be aged phones where crashes happen. I've been using a 3 year old Honor 9 Lite without issue for 3 years, it's a budget but decent phone. Great app in my eyes!
Did you find this helpful?
Ordnance Survey Ltd
8 August 2022
Thanks for this great review Simon! Pleased to hear you're enjoying OS Maps!
B RC
16 June 2022
Biggest issue-- won't let me cancel my recurring subscription. I wrote support, no reply. Only option was to pay for another month so I get access to the cancel options via Google Pay. Google won't give me a refund either, says contact the dev, but getting no reply through OS. Not many of the most famous routes saved on the app, just some from a magazine or something. You have to clear your search for trails before going to new region or it will keep hopping back to the old route you had open
3 people found this review helpful
Did you find this helpful?
Ordnance Survey Ltd
20 June 2022
Thanks for reaching out and sorry to hear you've had some issues cancelling your subscription. You can follow steps to do this here: https://osmaps.com/os-maps-help?categoryId=631355&article=634622#article-id-634622 If the instructions here don't work, please can you update your review with some more details of what you're experiencing? Thanks
F M
2 May 2020
Possibly the worst app I've ever used made by a big company. Constant crashing, freezing, inability to function offline correctly when you really need it, this only needs to do one thing - be a reliable map. Absolute failure. Cannot replace paper map yet. Depend on this at your peril. Suggestion: UK has patchy data reception. Build the offline mode to be rock solid especially when data comes and goes. Make your serious hikers happy again.
15 people found this review helpful
Did you find this helpful?
Ordnance Survey Ltd
5 May 2020
We're sorry to hear that you're experiencing problems with offline mode. Please can you drop us a message at CustomerServices@os.uk with the specific issues you're encountering so we can investigate further.

What's new

This release includes a fix for a bug relating to the 'Get Directions' feature where the GPS co-ordinates remained at "0.0,0.0" when opening in Google Maps, Waze, or copying the co-ordinates.