Across
- 4. Hiking in remote areas accessed by helicopter.
- 6. Flying without an engine.
- 7. Staying overnight in nature.
- 8. Riding bikes on rugged trails.
- 9. Hiking with a backpack.
- 10. Running and jumping over obstacles.
Down
- 1. General term for sports involving exploration.
- 2. Climbing ice formations.
- 3. Skiing or biking down a slope.
- 5. Navigating high rope courses.