Alabama Hiking Trail Society is a good place to start.  They have chapters across the state and work on the trails.  Of course with COVID, most events have slowed down but it would be a good place to start.  Me?  Nah, I'm an alpine skier.  Really out of my element in Alabama. 

I know that the Nantahala Outdoor Center did put together some hikes along the Appalachian Trail but again COVID...  They're a little drive from Pelham; but for a weekend hike and camp, the Blue Ridge Mountains are just awesome.  Best of luck!  Leave it like you found it.