Backcountry campsite 3C3 (Upper Cache Creek) in Yellowstone's Lamar River area accommodates up to 12 people and allows 25 stock animals, making it suitable for both hiking and horsepacking trips.

Located along Cache Creek in prime wildlife viewing territory, the site is typically accessible from mid to late May and offers a food storage pole and standard backcountry amenities.

Access requires a backcountry permit obtained in person no more than 48 hours before arrival, and the site is part of the Lamar River & Pebble Creek area known for excellent wildlife observation opportunities.