I once had a Garmin GPSMAP 76 8 MB memory which was similar to the Etrex Legend.  The 8MB memory is tight, but I recall most or all of Quetico topos fits in that space.  You'll need the Mapsource Topo Canada v2 (~$100) & then you can load up the topos you need + campsites + portages.

FYI:
1) Loading too many campsites (waypoints) makes for a very cluttered screen, so don't load the whole database (might not fit anyway)
2) If you load portages as tracks, you can only load 10 of them.  If you just load portage ends as waypoints, the limit is much higher.

There is much more about this somewhere in the Inukshuk forum.

Good luck.

-Tom

One technique you might find useful is to load EVERYTHING into a master map for Quetico ... maps, portages, campsites, fishing information, picto spots, waterfalls, etc.

Then, when you are getting ready for a trip, you can copy and paste the ones that are important for THAT trip and save it to another file.  Another reason for this might be to keep a record/log for each trip.  You can add more notations after the trip is over.  Some of these additions might even be uploaded from your GPS if you are using it for "note taking" during your trip.

And just to be clear, MK indicated that there are MAPS for Quetico.  You don't necessarily have to load ALL the maps for a given trip unless you are REALLY covering a lot of ground.

dd