Events Calendar

June 2026

Fri 19

Nature Fridays at Sandstone Ranch

Friday, June 19 · 9 a.m. - noon Nature Fridays at Sandstone Ranch Series

Sandstone Ranch Visitors Center 3001 Sandstone Dr., Longmont, CO, United States

Sat 20

Free Fitness in the Park (6/20/2026)

Saturday, June 20 · 9 a.m. - 10 a.m. Free Fitness in the Park Series

Lanyon Park 1900 Collyer Street, Longmont, Colorado, United States

Tue 23

Free Fitness in the Park (6/23/2026)

Tuesday, June 23 · 6:30 p.m. - 7:30 p.m. Free Fitness in the Park Series

Lanyon Park 1900 Collyer Street, Longmont, Colorado, United States

Fri 26

Free Fitness in the Park (6/26/2026)

Friday, June 26 · 9 a.m. - 10 a.m.

Lanyon Park 1900 Collyer Street, Longmont, Colorado, United States

Fri 26

Nature Fridays at Sandstone Ranch (6/26/2026)

Friday, June 26 · 9 a.m. - noon Nature Fridays at Sandstone Ranch Series

Sandstone Ranch Visitors Center 3001 Sandstone Dr., Longmont, CO, United States

Sat 27

SSR Visitors Center Open House (6/27/2026)

Saturday, June 27 · 10 a.m. - 2 p.m. SSR Visitors Center Open House Series

Sandstone Ranch Visitors Center 3001 Sandstone Dr., Longmont, CO, United States

July 2026

Fri 3

Independence Weekend Free Concert

Friday, July 3 · 6 p.m. - 10 p.m.

Roosevelt Park 700 Longs Peak Ave., Longmont, CO, United States

Sat 4

Free Fitness in the Park (7/4/2026)

Saturday, July 4 · 9 a.m. - 10 a.m. Free Fitness in the Park Series

Lanyon Park 1900 Collyer Street, Longmont, Colorado, United States

Sat 4

July 4th Longmont Symphony Concert

Saturday, July 4 · 11 a.m. - 3 p.m.

Thompson Park 420 Bross Street, Longmont, Colorado

Sat 4

Independence Weekend Festival

Saturday, July 4 · 5 p.m. - 10 p.m.

2nd & Emery 110 Emery St, Longmont, Colorado, United States

Fri 10

Free Fitness in the Park

Friday, July 10 · 9 a.m. - 10 a.m.

Dawson Park 1757 Harvard St, Longmont, Colorado

Fri 10

Nature Fridays at Sandstone Ranch

Friday, July 10 · 9 a.m. - noon Nature Fridays at Sandstone Ranch Series

Sandstone Ranch Visitors Center 3001 Sandstone Dr., Longmont, CO, United States

Sat 11

Saturday Itty Bitty City

Saturday, July 11 · 10 a.m. - noon Saturday Itty Bitty City Series

Memorial Building 700 Longs Peak Ave., Longmont, CO, United States

Sat 11

Free Environmental Education Programs

Saturday, July 11 · 10:30 a.m. - noon Free Environmental Education Programs Series

Sandstone Ranch Visitors Center 3001 Sandstone Dr., Longmont, CO, United States

Tue 14

Free Fitness in the Park (7/14/2026)

Tuesday, July 14 · 6:30 p.m. - 7:30 p.m. Free Fitness in the Park Series

Lanyon Park 1900 Collyer Street, Longmont, Colorado, United States

Fri 17

Free Fitness in the Park (7/17/2026)

Friday, July 17 · 9 a.m. - 10 a.m.

Blue Skies Park 1520 Mountain Dr, Longmont, Colorado

Fri 17

Nature Fridays at Sandstone Ranch

Friday, July 17 · 9 a.m. - noon Nature Fridays at Sandstone Ranch Series

Sandstone Ranch Visitors Center 3001 Sandstone Dr., Longmont, CO, United States

Sat 18

Free Fitness in the Park

Saturday, July 18 · 9 a.m. - 10 a.m. Free Fitness in the Park Series

Lanyon Park 1900 Collyer Street, Longmont, Colorado, United States

Sat 18

Callahan House Club-A-Fair and Summer Open House

Saturday, July 18 · 10 a.m. - 1 p.m.

Callahan House 312 Terry St, Longmont, CO, United States

Fri 24

Free Fitness in the Park (7/24/2026)

Friday, July 24 · 9 a.m. - 10 a.m.

Collyer Park 600 Collyer Street, Longmont, Colorado