Trail building concept design and research in pencil by Frits Ahlefeldt – See all the hiking Concept sketches here
See all trail design drawings here
Three different strategies for making stream crossings
Text and concept sketch by Frits Ahlefeldt. Hiking.org
When a hiking trail cross a stream the passage can be designed in several ways. All having a huge influence on both the hiking experience, but also on the place, and also on how the stream will handle the changes of water flow during the year.
Here is a pencil concept sketch showing three very different ways of making and designing how a path cross a stream.
Drawing is part of hiking.org research of ways to design, build and maintain hiking trails

Keywords: bridge, less is more, design, architecture, hiking, innovation, sketch, pencil, drawing, concept