There are several initiatives in the hunting and fishing community doing this, aka buying land, managing the wilderness, and making it available to the public.
* The Theodore Roosevelt Conservation Partnership, or TRCP, is a non-profit 501(c)(3) coalition of conservation organizations, grassroots partners and outdoor related businesses, the main goal of which is increased federal funding for conservation while preserving access for hunters and fishers. https://en.wikipedia.org/wiki/Theodore_Roosevelt_Conservatio...
* MeatEater’s Land Access Initiative (designed to raise money so we can find properties that will provide more access for regular folks to hunt and fish) https://www.themeateater.com/pages/land-access
* The Theodore Roosevelt Conservation Partnership, or TRCP, is a non-profit 501(c)(3) coalition of conservation organizations, grassroots partners and outdoor related businesses, the main goal of which is increased federal funding for conservation while preserving access for hunters and fishers. https://en.wikipedia.org/wiki/Theodore_Roosevelt_Conservatio...
* MeatEater’s Land Access Initiative (designed to raise money so we can find properties that will provide more access for regular folks to hunt and fish) https://www.themeateater.com/pages/land-access
(Disclosure: no affiliation)