Crews Continue Containment Efforts on Mastadon Fire

By Alaska Division of Forestry & Fire Protection on June 4, 2026

Member of Pioneer Peak Interagency Hot Shot Crew hikes in rolls of hose and hose valves.

June 4^th, 2026

Talkeetna, AK – Resources worked late into the evening on the Mastadon Fire (#131). Due to the significant effort of the ground crews and aerial resources, the fire is now holding at 18.4 acres and 50% contained.

Helicopter 7AM flies with bucket of water on long line on the Mastadon Fire (#131) — Helicopter 7AM performing bucket drops on the Mastadon Fire (#131)

Pioneer Peak Hotshot Crew and the Mat-Su Type 2 Fire Crew remained on the incident overnight. Resources currently committed to the fire include the two crews and two Mat-Su technicians serving as Incident Commander and Incident Commander Trainee, bringing the total personnel assigned to 42.

Member of Mat-Su Fire Crew works to extinguish hot spots with pulaski tool along Mastadon Fire (#131) perimeter. — Member of Mat-Su Fire Crew works to extinguish hot spots along Mastadon Fire (#131) perimeter.

Firefighters continue to make steady progress throughout the day, working to strengthen containment lines and secure the fire’s perimeter.

Today’s objectives are to achieve 100% containment by continuing saw line construction and hose lay installation. Firefighters will also work to identify and extinguish any remaining hot spots near the fire’s edge to further strengthen containment.

Member of Pioneer Peak Interagency Hot Shot Crew works to strengthen containment lines with pulaski on Mastadon Fire (#131). — Member of Pioneer Peak Interagency Hot Shot Crew works to strengthen containment lines on Mastadon Fire (#131).

Additionally, crews will work to reduce hazard trees. Trees damaged by fire can fall without warning, creating dangerous working conditions and posing a serious threat to personnel operating on the ground.