tranquil waterfall in lush green forest

waterfall nature landscape forest water rocks stream tranquil scenic outdoors peaceful natural environment wilderness cascade flowing serene lush green fresh cascading foliage scenery picturesque outdoor feature clean source woodland setting idyllic hiking destination refreshing oasis untouched beauty calming sounds verdant canopy rejuvenating retreat pristine mountain secluded trail bathing wonder undergrowth river gorge waterway ai generative generated synthography