Great question — answering as the UphillTech team:
The North Kaibab trail should be back open on the 2023-06-16, so this answer is probably irrelevant. There are no other maintained trails that cross the canyon in GCNP. The South Bass and North Bass are unmaintained trails that are generally considered among the toughest marked trails in the canyon. The two trails were once connected by a tram car on a cable across the Colorado, but that is long gone. Some hikers have linked the two trails by thumbing a ride across the Colorado with a passing rafting group . It sounds like this is not a safe place to attempt a swim crossing. The trailheads on both sides are somewhat remote. This is not something you want to try as your first GC hike. There...
Full answer by user4030: https://outdoors.stackexchange.com/a/29085 (CC BY-SA 4.0).
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