These are all words that come to mind when I think of a bench in a natural park.
green. brown. walking path. leaves. trees. bark. wood grain. wooden. metal. integrated. outside. sturdy. dependable. timeless. relax. rest. scenic. simple. comfortable. contemplation. unwind. still. quiet. woodland animals. stag. woodland sounds. exposed. natural. recognizable. confident. reassuring. pond. hikers. cyclists. campers.
Here is some visual inspiration including some real life benches!!!!