Yes. You can hike up and hike down at no cost.
You have to pay for parking
If you drive into the park you'll pay $20/day or buy a $40/annual pass. Or if you're a die hard hiker park nearby in the free 4th Ave lot and warm up on the walk in.
U$20,00, car.
Annual parking pass $40; Daily parking pass $20 premium parking add on $10.
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