waterfallAlong

Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'

Predicate: waterfallAlong

Indicates that a waterfall is located along the course, path, or extent of another geographic feature such as a river, trail, or boundary.