| Tolmachev Dol | |
| Elevation M: | 1,021 |
| Location: | Kamchatka, Russia |
| Coordinates: | 52.63°N 157.58°W |
| Map: | Russia Far Eastern Federal District |
| Type: | Cinder cones |
| Last Eruption: | 300 CE ± 150 years |
Tolmachev Dol (Russian: Толмачев Дол) (Tolmachev Plateau) is a volcanic highland located in the southern part of Kamchatka Peninsula, Russia, northeast of Opala volcano. The cones and lava fields cover a broad area around Lake Tolmachev.
Tolmachev Dol is a large volcanic field,[1] consisting of cinder cones and lava flows (GVP). It has principally erupted andesite and dacite.[2]
Activity in the volcanic field commenced during the Pleistocene (GVP). The Chasha crater was the site of a large eruption about 4,609 ± 33 years before present, which ejected about of ash over an area of . This ash was formerly attributed to the Opala volcano.[3] 300 CE, the last eruption took place (GVP).