Rappelling is a technique used for descending a rock face, while top-roping, free soloing, and bouldering are all techniques used for ascending.

Thru-hiking refers to completing a long-distance trail in a single continuous journey, often covering hundreds or thousands of miles.

Rafting is a group activity where participants use a large inflatable raft to navigate whitewater rapids.

A flash flood is a rapid and extreme increase in water volume, often caused by heavy rainfall or dam failures.

Paragliding involves launching from a mountain or hill and using a paraglider to soar through the air.

An escarpment is a long, steep slope or cliff that separates two plateaus or regions of different elevations.

Downhill mountain biking involves riding a mountain bike on steep, rugged trails, often featuring jumps and obstacles.

A crag is a steep, rocky cliff or outcrop, often used for rock climbing due to its challenging terrain.

Canoeing involves paddling a canoe, a small, lightweight boat, on calm waters for recreation or exploration.

A squall is a sudden, intense increase in wind speed, often accompanied by rain, thunder, and lightning.

Cliff diving involves jumping from a high platform or cliff into a body of water, often for recreational or competitive purposes.

Trekking refers to long-distance hiking in mountainous or challenging terrain, often involving camping and carrying supplies.

Cross-country mountain biking involves riding a mountain bike on a designated course with obstacles and jumps.

A cold snap is a sudden and significant decrease in air temperature, often accompanied by strong winds and precipitation.

Whitewater kayaking involves navigating a river or stream with rapids and turbulent water using a specialized inflatable kayak.