The beneficiary of a substantial fortune, and having a large annual income from the family business, he spent a great deal of his time and money pursuing various leisure interests, notably yachting and auto racing.

Avid hunters of deer on horseback, Menier and his brothers acquired more than 13,000 acres (53 km2) of forested land in the Picardy region as well as in the Val-d'Oise département where Henri owned a château in the town of Vauréal.

In April 1913 Henri Menier also bought the Château de Chenonceau in France's Loire Valley which today is still owned by family members and is a major tourist attraction.

Menier used it for business as well as a private game reserve, bringing in a variety of wild animals native to Canada including foxes, fishers, reindeer, bison and moose.

Along with its 24 rivers and streams bountiful with salmon and trout, it is today a paradise for paleontologists, bird watchers, hikers, and a major draw for anglers and hunters, particularly those from the United States.

He invested a substantial amount of money to construct a sawmill to service the logging operations that harvested softwood timber for building lumber and Wood pulp for the manufacture of paper products.

The town had its own hospital, school, Roman Catholic church, general store, bank, bakery, hotel, plus homes and rooming houses for the workers, and 30-room Scandinavian-style mansion for himself.