How do I find a summer job as a hiking guide?

So I’m a 21 year old college student and I need to get away and do something fun an exciting this summer, non academic related.

I have always been an avid hiker and would LOVE nothing more than to be a guide or assistant guide somewhere like Mt. Kilimanjaro or the Swiss Alps (I realize I’m shooting high here, but this is best case scenario of course).

Who/how do I contact about working out a position somewhere (even for places in the states like the Rockies or the Appalachian trail)?

I’ve googled absolutely everything I can think of, but am turning up empty handed. Thanks for any input!!