Updated June 26, 2025
Special Event Impacts:
Los Alamos County does not all events noted on this list. Updates are included to keep residents informed of potential traffic impacts. Questions should be directed to the parties identified within each description. Please obey all traffic devices and slowdown in the area of the special events.
July 4th Spectacular
The annual July 4th Spectacular will be held at Ashley Pond Park in downtown Los Alamos. 20th St. from Trinity Drive to Central Ave. will be closed from 10 a.m. to 1 p.m. and Central Ave. will be closed from 15th St. to Oppenheimer Drive from 1 to 11 p.m. The Los Alamos downtown area will experience a significant increase in vehicle, shuttle, bicycle, and pedestrian traffic, especially around Ashley Pond Park.
Motorists should also be aware of the scheduled drone show from 9 - 9:30 p.m. The show may cause a visual distraction. Motorists are urged to slow down, be alert, and watch for others. For questions regarding the event, contact the Community Services Department at 505-662-8170.
4th of July Block Party on Woodland Road
Woodland Road will be closed from Country Lane to Range Road from noon to 9 p.m. for a neighborhood block party.
YMCA 4th of July 5K Fun Run
The YMCA 5K Fun Run will be held from 8 to 10:30 a.m. on Friday, July 4. Canyon Road will be closed from 15th St. to Central Ave. for the race. The race route will begin on Iris Street, turn right on Central Ave. to Canyon Road, turn left on Canyon Road to Diamond Drive, and back the same way.
YMCA 4th of July Children’s Parade
The YMCA Children’s Parade will start at 10 a.m. The race route will begin on Iris Street, turn left on 15th St. to Central Ave., and then turn right on Central Ave. to continue to Fuller Lodge. LAPD will assist with traffic control.
Latter Day Saints 4th of July Parade
The parade will begin at 10:15 a.m. and will lead from the Latter Day Saints Church, down Grand Canyon to Ridge Crest, up Aragon, and back up Grand Canyon to return to the church.
2025 Los Alamos County Summer Concert Series
The Summer Concert Series, held every Friday from May 23 - September 5, 2025, is held at Ashley Pond Park in downtown Los Alamos. Each Friday, 20th St. from Trinity Drive to Deacon Street will be closed in the afternoon until following the concert. The Los Alamos downtown area will experience a significant increase in vehicle, shuttle, bicycle, and pedestrian traffic, especially around Ashley Pond Park. Motorists are urged to slow down and watch for others. For questions regarding the Concert Series, contact the Community Services Department at 505-662-8170.