Mountain streams have their own beauty, and this is in full display at Marble Canyon. Here you can take a 1.5 km trail up Tokumm Creek to see Marble Canyon, both from the edge of the canyon and from multiple bridges spanning the canyon. Across the highway is Marble Canyon Campground, which has 61 rustic campsites if you want to spend the night.
The picnic tables are hidden here, you have to go up a road past the washrooms to an old parking lot and look in the trees to find them.
While you're here, check out the Paint Pots which are just a couple of kilometers south down the highway.