I should note there is much more to this hike than views and waterfalls. I was fortunate to have Mazamas Hike Leader Cathy Oswald along on this hike, as she knows this trail like the back of her hand. She shared what she knew about this trail with us and helped me lead the group.
The Friends of the Columbia Gorge have played a major role in protecting the area from development. They have worked with various individuals and land trusts to acquire properties to protect this stunning view of the gorge. Their video for their Campaign for Cape Horn on YouTube gives some insights of their role.
Currently the Forest Service is working on a Environment Assessment for the Cape Horn Trail Recreation Plan that considers the route of the trail. You can view the Environmental Assessment here. There was some discussion on our hike of the possible alternatives that the Forest Service is considering for this trail.