The peninsula has a high density of volcanoes and associated volcanic phenomena , with 29 active volcanoes being included in the six UNESCO World Heritage List sites in the Volcanoes of Kamchatka group , most of them on the Kamchatka Peninsula .
29 active volcanoes are included in six UNESCO World Heritage List sites . They are listed as the Volcanoes of Kamchatka group , and most of them are on the Kamchatka Peninsula .