In case this has not yet been mentioned, the District of North Vancouver has a large amount of online maps, including pdfs of printable maps, historical maps, and maps that include hiking trails. Note that the northern boundary of the DNV is almost to 49 degrees, 25 minutes. That's to Mt Elsay, Lost Lake (LSCR), Crown Mtn.
Main site http://geoweb.dnv.org/
For ex., then Data sets, then Hardcopy, then scroll down to
-Topography and Trails - Grouse Area and
-Topography and Trails - Seymour Area
Need some memory and free space for these. My ancient PC froze...