>>2417993this
walking requires a lot of monotony at times
you also have to focus on navigating and keep your shit together
you also have to manage resources and plot out distances, and do a whole laundry list of campsite prep and maintenance (drying gear, site selection etc)
all these things require brainpower and (actual) ADHD is an executive dysfunction, as in you cannot will your brain to perform do the same functions as a normal brain. It's not just getting distracted by exciting stimulation, it's forgetting to turn off at a certain fork on the path, or forgetting coordinates or bearings, or being unable to track the calories you've packed, or not remembering whether you had breakfast and getting hypoglycemic, or being unable to sleep because you're hyperfocussed and every noise is stimulating your mind, or becoming a zombie and being almost incapable of doing necessary chores (discipline alone can't override this - lacking the dopamine to do basic tasks is a similar feeling to being in a deep deep depression).
if you get hungry and tired, your ADHD gets worse and things can really get out of hand when you need to be fully responsible for your actions and making good decisions. ADHD often comes with a "fuck it"/thrillseeking personality and extreme emotional reactions which can lead to poor judgement and rash decisions, like powering on through night or crossing a dangerous rockface/river
At least with cycling, if your mind drifts and you miss a turning, it's quick to go back, and you get constant novelty and stimulation. You can also justify eating lots of sugary foods while cycling all day which is awesome for ADHD brains who don't produce adequate dopamine and need stimulants. It also tires you the fuck out and releases a lot of endorphins which really counteract a lot of ADHD symptoms. It can be really social, and it's thrilling and high speed on top of all the perks of being /out/
As an adhd tardbrain I much prefer cycle touring over hiking