Nice scope! Bet that would make your hike worth it!
The 55 mm Kowa scope (foreground below) weighs only 1-3/4 pounds and you can use a much lighter tripod and head. Seems to be a good alternative for hiking. But it isn't as good taking photos through the scope. I'll probably wind up staying with my medium Nikon binoculars and telephoto lens.
Here's a shot yesterday near dusk of the male Bald Eagle in Milpitas, CA using my Olympus telephoto: