Sure, because if you're not young and athletic you have no business seeing these parks.
Oh, wait, we already have those, they're called "wilderness areas".
I'm sure Agenda21 advocates will be glad to support you on that though.
He’s an idiot. Ignore him. The environazis have been proposing similar restrictions in the parks and forests in kommiefornia for years. Those people only want visitors who can afford to dedicate a week long hike to enjoy God’s beauty.