Trail around the caldeira of the most beautiful lakes of sete cidades blue and green this trails starts in an area that belongs to ponta delgada city and as a duration of about 4 hours this trails is on the top of outside of the volcanic crater of the most know twin lakes here you will have a chance to see different perspectives of the lakes and the coast line sete cidades is 100 nature a place that you have to discover an fall in love with the landscapes around you