chocolate border collie all the way
lol check out the #1
https://www.thesprucepets.com/the-best-dogs-for-hiking-and-climbing-4692516
they really are such good dogs
growing up we had a chocolate border collie named milly, one time when she was young she got seperated from my dad on a run and later my dad found her at an intersection. she was sitting waiting until all the cars stopped, then she crossed the road and started heading toward home, so my dad followed her all the way. She never tried to wonder off again, and if she ended up outside somehow she would bang her butt into the front door to knock ^^
then I would always walk her without a leash because she was so good and just wanted to stay with me
