Those trails look great and having water all along the way is a big plus for dog hikes!
I don't always have the luxury of nearby water but I've taught Luna to drink from my hydration pack if I squirt it her way.
She loves to walk or run in the glacially cold waters. Drinking from some "soft" bottle of hydration park is something our pet does also. We just don't let her drink in stagnant waters or lakes/ponds as at lower elevations, there's often cyanobacterias during the summer period. Dogs don't survive for long once ingested.
Here's another one in near where we live (urban area)…