Every time I go to Canada I try to fit in a visit to Mauricie, a region where 90% of the 1.5 million annual visitors come from Quebec!
I still have very fond memories of seeing and experiencing Quebec's nature and wildlife for the very first time at Saint-Maurice Wildlife Reserve: large, unspoilt open spaces; forest stretching as far as the eye can see; and so many animals (beavers, bears, caribou, etc.) that you hardly know where to begin. Mauricie is simply replete with nature and wildlife, and has a plethora of outdoor activities to offer.
I also clearly remember the time I went walking between the cities of Montreal and Quebec, travelling the northern bank of the Saint Laurence River along the country's oldest A road, the Chemin du Roy: a very well-known and enjoyable tourist route!
If you are looking for nature, wildlife, culture and history, and all in a French-speaking environment, take my advice: head for Mauricie!
In Mauricie, the agro-tourist possibilities are very interesting and extremely varied. You can visit farms, try excellent maple products, taste original beers from micro-breweries, self-pick berries or apples, etc. It all depends on the season and your preferences.
If you go to Mauricie, apart from agro-tourism, you will have the chance to discover Quebec's true nature. There are lots of outdoor activities for all tastes: trekking, fishing, hunting, camping, canoeing, snowmobiling, etc.
It's true that there are parks all over Quebec, and even Canada as a whole, each one more beautiful than the last, but I really fell in love with Mauricie Park and I warmly recommend that you go and stay there.