April 2026

Sat 18

Saturday, Apr. 18 · 12 pm - 2 pm Nature Journaling at Sandstone Ranch Series

Nature Journaling at Sandstone Ranch (4/18/2026)

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

Thu 23

Thursday, Apr. 23 · 5 pm - 7 pm

Callahan Spring Open House

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

Fri 24

Friday, Apr. 24 · 8 am - 6 pm

Lifeguard Training

Centennial Pool 1201 Alpine St, Longmont, Colorado, United States

Fri 24

Friday, Apr. 24 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

Itty Bitty City Preschool Playtime (4/24/2026)

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

Sat 25

Saturday, Apr. 25 · 10 am - 2 pm SSR Visitors Center Open House Series

SSR Visitors Center Open House (4/25/2026)

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

Sat 25

Saturday, Apr. 25 · 10:30 am - 12 pm Amazing Insects at Sandstone Series

Amazing Insects at Sandstone

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

Tue 28

Tuesday, Apr. 28 · 8 am - 11 am Free Guided Bird Walk Series

Free Guided Bird Walk (4/28/2026)

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

May 2026

Fri 1

Friday, May 1 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

Itty Bitty City Preschool Playtime (5/1/2026)

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

Sat 2

Saturday, May 2 · 9:30 am - 11 am

Strider Glider Bike Race

Willow Farm Park 901 S Fordham St, Longmont, Colorado

Tue 5

Tuesday, May 5 · 7:30 am - 10:30 am Free Guided Bird Walk Series

Free Guided Bird Walk (5/5/2026)

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

Tue 5

Tuesday, May 5 · 4 pm - 6 pm Learn About Recreation Jobs Series

Learn About Recreation Jobs (5/5/2026)

Recreation Center 310 Quail Rd., Longmont, CO, United States

Fri 8

Friday, May 8 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

Itty Bitty City Preschool Playtime (5/8/2026)

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

Sat 9

Saturday, May 9 · 10 am - 2 pm SSR Visitors Center Open House Series

SSR Visitors Center Open House (5/9/2026)

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

Tue 19

Tuesday, May 19 · 7:30 am - 10:30 am Free Guided Bird Walk Series

Free Guided Bird Walk (5/19/2026)

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

Thu 21

Thursday, May 21 · 12:30 pm - 5 pm

Sunset Pool Opens

Sunset Pool 1900 Longs Peak Avenue, Longmont, Colorado

Fri 22

Friday, May 22 · 9 am - 12 pm Nature Fridays at Sandstone Ranch Series

Nature Fridays at Sandstone Ranch (5/22/2026)

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

Sat 23

Saturday, May 23 · 10 am - 2 pm SSR Visitors Center Open House Series

SSR Visitors Center Open House (5/23/2026)

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

Tue 26

Tuesday, May 26 · 8 am - 6 pm

Lifeguard Training

Centennial Pool 1201 Alpine St, Longmont, Colorado, United States

Tue 26

Tuesday, May 26 · 9 am - 6:30 pm

Water Safety Instructor Training

Sunset Pool 1900 Longs Peak Avenue, Longmont, Colorado

Thu 28

Thursday, May 28 · 10 am - 5 pm

Kanemoto Activity Pool Opens

Kanemoto Activity Pool 1151 S Pratt Pkwy, Longmont