trekking trail in the oianleku beech forest, in the town of oiartzun, gipuzkoa. spain

green natural paleolithic gipuzkoa nature archeology woods moisture background tree hiking basque branches trail misty archaeological outdoor foliage environment beech grass field leafs country oiartzun stones autumn oianleku landscape fog euskal herria megalith iberia exploring the world cromlech season white fall guipuzcoa silhouette yellow trekking