Events Calendar

June 2026

Sat 13

Free Environmental Education Programs (6/13/2026)

Saturday, June 13 · 10:30 am - 12 pm Free Environmental Education Programs Series

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

Wed 17

Nature Journaling at Sandstone Ranch

Wednesday, June 17 · 6 pm - 8 pm Nature Journaling at Sandstone Ranch Series

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

Fri 19

Free Fitness in the Park (6/19/2026)

Friday, June 19 · 9 am - 10 am

Dickens Nature Area Boston Avenue between Main and Martin Streets, Longmont

Fri 19

Nature Fridays at Sandstone Ranch (6/19/2026)

Friday, June 19 · 9 am - 12 pm 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 am - 10 am 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 pm - 7:30 pm 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 am - 10 am

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

Fri 26

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

Friday, June 26 · 9 am - 12 pm Nature Fridays at Sandstone Ranch Series

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

Sat 27

SSR Visitors Center Open House

Saturday, June 27 · 10 am - 2 pm 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 pm - 10 pm

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

Sat 4

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

Saturday, July 4 · 9 am - 10 am 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 am - 3 pm

Thompson Park 420 Bross Street, Longmont, Colorado

Sat 4

Independence Weekend Festival

Saturday, July 4 · 5 pm - 10 pm

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

Fri 10

Free Fitness in the Park (7/10/2026)

Friday, July 10 · 9 am - 10 am

Dawson Park 1757 Harvard St, Longmont, Colorado

Fri 10

Nature Fridays at Sandstone Ranch (7/10/2026)

Friday, July 10 · 9 am - 12 pm 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 am - 12 pm Saturday Itty Bitty City Series

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

Sat 11

Free Environmental Education Programs (7/11/2026)

Saturday, July 11 · 10:30 am - 12 pm 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 pm - 7:30 pm 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 am - 10 am

Blue Skies Park 1520 Mountain Dr, Longmont, Colorado

Fri 17

Nature Fridays at Sandstone Ranch (7/17/2026)

Friday, July 17 · 9 am - 12 pm Nature Fridays at Sandstone Ranch Series

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