We've done the research, so you don't have to.
Everything listed within the ADA definition of accessible except for paved routes. While recreating, realistically, not everyone needs this narrow definition.
Things to do that can be completed by an individual who can move, using their legs, independently or with the use of a mobility device (crutches, walkers, etc.). Could also include those with small children and women during late pregnancy.
Things to do that can be completed by an individual who can move, using their legs, independently or with the use of a mobility device (rollators, canes, walking sticks, etc.) for longer distances of more strenuous activities and distances.
This option gives you complete freedom to decide, using the available filters, to find the exact types of activities that are best for you.