Check bridge clearances beforehand
With your boat dimensions, you can recognise when a known passage is too low, narrow, or shallow.
GPX Tracks for boating and travel
Have a Track? Check it before setting off.
Rivers & Seas shows whether your boat fits through known bridges, when you will reach each lock, whether it is expected to be open, and which EuRIS or available ELWIS notices affect the journey. On open water, you can follow the exact course of a proven passage—for example, a Track sent by a friend.
Know whether the journey works before leaving
Will your boat fit? Will the lock be open when you arrive?
Check the important places before casting off. Rivers & Seas places available bridge clearances, lock opening times, closures, and current navigation notices along the Track and estimates when you will reach them.
GeoJSON and RNSP files can also be opened and imported.
Reach locks at the right time
Distance, estimated arrival, and available opening times show whether the planned journey works.
See closures and notices
Available EuRIS and ELWIS notices appear where closures, works, or restrictions affect your Track.
After import
The Track becomes an understandable journey.
Open the details, set the direction, and check the known places along the course. Rivers & Seas can also derive a useful departure window for locks and gauge- or tide-dependent bridges.
Bring a proven passage with you
On open water, you can see exactly where to go.
If a friend, charter company, or another skipper has already travelled a passage safely, you can bring its exact course with you. The Track remains clearly visible on your map and helps you find the proven way between shallows, islands, or narrow passages.
Follow a proven course
See the Track clearly on the map instead of rebuilding the passage from separate waypoints.
Find difficult passages again
The saved course helps you locate a known route through shallow or narrow areas.
Know cruising and lock time
Rivers & Seas shows distance and pure cruising time. Assumed time in locks appears separately and shifts the arrival at every place that follows.
Keep favourite Tracks
Find them, reverse them, and pass them on.
Name a Track, add a photo and notes, and organise it with coloured tags. Show it only when needed, or reverse its direction for the return journey.
A calmer map
Map visibility is separate from pinning. Keep important Tracks without filling the map with lines.
Return with one tap
Reverse the start, finish, and order of a Track instead of importing the same journey again.
GPX, GeoJSON, or RNSP
Share a straightforward Track as GPX, use GeoJSON for geographic data, or RNSP for complete Rivers & Seas collections with places, Tracks, tags, and photos.
Optional, not required
Rivers & Seas does not need a Track to look ahead.
While cruising, Rivers & Seas still recognises the waterway you actually take. A saved Track is useful when you want to preview a recommended course, prepare a day trip, or bring a favourite journey with you.
Understand boat navigation without route planningImport and export
Your Track remains portable—between apps, devices, and friends.
Rivers & Seas reads and writes common formats according to their purpose. Before every import, the recognised contents appear on the map.
GPX
For Tracks and recordings, and especially useful for exchange with other navigation and outdoor apps.
GeoJSON
For geographic points and lines when exchanging data with mapping or GIS applications.
RNSP
For complete Rivers & Seas packages containing Tracks, bookmarks, tags, colours, notes, and photos.
Quick answers
Common questions about GPX files and boating Tracks
How do I open a GPX file on an iPhone or iPad?
Tap the file in Files and choose Rivers & Seas, drag it into the app, or send it through the Share menu. A map preview appears before import.
Can I show a GPX route on a boating map?
Yes. Rivers & Seas imports GPX tracks and GPX routes as Tracks and displays them as a clear line on the boating map.
Can I check whether my boat fits along the Track before departure?
Yes. When your boat dimensions and structure dimensions are known, you can recognise passages that are too low, narrow, or shallow. Estimated arrival already includes the duration of earlier lockages. You also see available opening times and relevant EuRIS or ELWIS notices.
Why is a Track useful on open water?
A Track shows the exact course of a previously travelled passage. When a friend or charter company sends you a proven Track, you can follow it clearly on the map and find difficult passages more easily.
Do I have to import a Track for Rivers & Seas to work?
No. Automatic look-ahead works underway without a planned Track. Import is an additional option for recommended, prepared, or especially enjoyable journeys.
Can I use a Track on land as well?
Yes. A Track can be displayed anywhere on the map. The distinctive strength of Rivers & Seas is the added context it provides on waterways.
Can I share Tracks with friends?
Yes. Export one or more Tracks and pass them on as GPX, GeoJSON, or a complete RNSP package.
Check before departure
Open your next Track and see whether the journey works.
Check the passage, cruising and lock time, bridges, locks, and current notices on one map.