This is a project that will reward you with comfort! It will last outdoors for years and years with no upkeep, weathering gracefully as the years roll on. It has a natural rugged utilitarian style, and making one of these chairs is an easy weekend project.
The inspiration for this chair came from the bench that the Wisconsin naturalist Aldo Leopold designed and made back in the 1940's. The following are among many good sites depicting his benches:
Not needing to seat more than one naturalist at a time, I narrowed and modified the design into the chair described here. It has an ample seat, wider back rest, dimensional changes to the legs, and added arm rests. It turned out to be quite comfortable !