Boy, this sounds like the perfect job for the Downtube Mini. Rugged to take a beating. 8 speeds for different terrain. 16" wheels for easy packing. The right size for you. Standard, easy to get components for field repair, if necessary. Under $500.

You can go from this:



to this:



...in about 10 minutes.

There have been many, many discussions on the Mini. You'll find them if you use the Search function.

Sounds like a great experience. Wish I was going with you .