For what it's worth, I'm glad I took my D800e, RRS -24L tripod, three Zeiss lenses, and the RRS multi-row pano kit on my multiday hike of the Mildford Track in New Zealand a few years ago. The Milford Track is regularly listed as one of the top 5 multi-day hikes in the world, and I was doing it just to take pictures.
Now, because I went on the trek with 4 days notice, I went with the fully supported option. That meant I only had to carry a day pack holding a change of clothes, lunch, water, rain gear, and my photo gear---no tent, sleeping bag, or multiple days of food.
I'm glad I did it. The memories are incredible; the photos are some of my best. Could I have captured the same images with a "lesser" set up? Sure. But, I would know the difference when I looked at the prints---others probably wouldn't notice. So, I have the memories and the images.
Take the camera. Take a good lens or two, and a tripod. And have a great trip. I'm jealous you're getting to do it.
Jeff