If it is just the online map loading slow you could browse the area you want to show before you present it sou you have the tiles cached. You could also use QLandkarteGT with an OSM-based Garmin map or Routeconverter’s experimental branch using mapsforge¹ maps. Of course you should download the needed maps before attending the course.

Though it would be helpful if you would mention more clearly what on “the OSM map” is slow or what you try to achieve instead of complaining quite unspecific.

¹ Don’t be offended by the name, it works on linux, too:
http://static.routeconverter.com/downloads/mapsforge/RouteConverterWindows.jar or
http://static.routeconverter.com/downloads/mapsforge/RouteConverterWindows.exe from
http://forum.routeconverter.com/thread-1681.html

So detailliert wollte ich es nicht aufschlüsseln – möglicherweise würde sich der Eine oder Andere in seiner Privatsphäre gestört fühlen. ;)

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Meinen herzlichen Glückwunsch!

Ich hoffe für dich, dass du trotzdem noch genug zu Mappen findest. :)

A very good summary!

Two remarks I have to make:
with amenity:house of prayer you surely mean amenity=place_of_worship?

For not mapping streams: I agree it is not worth the effort to try to get a GPS log of its banks on-site but it is still worth the effort to map it based on aerial imagery as long as one can distinguish it from other features.

For the guest houses: if you cannot map them all, map all-¹ :)

When you make photos during trekking, you can also use them as data source for Mapping: osm.wiki/Photo_mapping

An recently developed nice app to combine photographs, mapping and Smartphones is Mapillary.

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Nachträglich meinen herzlichen Glückwunsch – auf die nächsten fünf Jahre!

@ nfgusedautoparts: worksforme