4C2 Sulphur Creek (Backpacker)
Yellowstone National Park · Wyoming
4C2 Sulphur Creek (Backpacker) is one of the permitted entry points in Yellowstone National Park on recreation.gov. Permit Ranger watches this pass around the clock and alerts you the moment a sold-out date opens up.
When permits are released
Peak-season trips (May 15 – October 31) go on general sale April 26 at 8:00 AM Mountain Time (after the March early-access lottery). Non-peak trips (November 1 – May 14) go on sale October 6 at 8:00 AM Mountain Time. Cancellations reopen sites year-round; permits are picked up in person at a Backcountry Permit Office.
Dogs
Dogs are not allowed in this area.
Popular trails nearby
- Yellowstone River Trail - 4.8 on AllTrails
- Heart Lake Trail to South Entrance - 4.7 on AllTrails
- Slough Creek Trail - 4.7 on AllTrails
- Union Falls via Mountain Ash Trail - 4.7 on AllTrails
- Pebble Creek Trail via Northeast Trailhead - 4.7 on AllTrails
Frequently asked questions
When do 4C2 Sulphur Creek (Backpacker) permits open?
Peak-season trips (May 15 – October 31) go on general sale April 26 at 8:00 AM Mountain Time (after the March early-access lottery). Non-peak trips (November 1 – May 14) go on sale October 6 at 8:00 AM Mountain Time. Cancellations reopen sites year-round; permits are picked up in person at a Backcountry Permit Office. Check the recreation.gov page for the exact on-sale details for your dates.
What if my dates are sold out?
Cancellations happen all season as plans change. Add 4C2 Sulphur Creek (Backpacker) to a trip window on Permit Ranger and you get an instant alert the moment a date you need opens back up.
How competitive is 4C2 Sulphur Creek (Backpacker)?
We are still collecting demand data for this pass.
Does Permit Ranger book the permit for me?
No. Permit Ranger never books on your behalf. When a watched date opens, you get an alert with a direct link so you can book it yourself on recreation.gov.
Nearby passes
- 4C1 Old 7 Mile Hole (Backpacker) - 1 mi away
- 4B1 Joseph's Coat Spring (Backpacker) - 4 mi away
- 4B3 Broad Creek (Backpacker, Stock) - 7 mi away
- 4B4 Wapiti Junction (Backpacker, Stock) - 7 mi away
- 3L3 Lower Lamar (Backpacker) - 14 mi away
Book on recreation.gov · All Yellowstone National Park passes · Yellowstone National Park permit guide