It is hard to find people who are good friends with like travels styles. We have always traveled alone, partially because we're really 'pokey emmas' (not sure of the derivation of that phrase).
We move slowly between places and can spend a week in no where exploring it in detail, rarely rushing about, and sometimes backtracking when we feel like it.
A number of freinds have gone on caravans to Alaska and the like. We have seen these groups and they seem to be having fun but we would not enjoy the typical pace.
I'm sure your freinds would find plenty to enjoy in Newfoundland. There are few Newfoundlanders on the site and they can provide many tips on their province.
Last summer we went to the
fiberglass rally in PEI, this year it was held in NB. It was very interesting because their were a ton of Bolers their, the original source of most of our trailers.... Their
rally is usually held in July.