Gina is recalling the time last year that she hiked up a big hill in the rain with a bunch of her friends. This memory would be best described as a memory.

Episodic

Explanation:

Episodic memory is a type of long-term memory that is enables one to be able to recall events and experiences that occur in the past in a specific way. Episodic memory occurs in the hippocampus found in the temporal lobe of the brain, where collection of past events and experiences are stored for later access.