There are many different community groups with an interest in Belmont Regional Park. Some are based in the park itself, while for others the park is a popular setting for their activities.

Park-based groups

• Friends of Belmont Regional Park
• Friends of Maara Roa
• Belmont Pony Club

Other clubs

• Hutt Valley Mountain Bike Club
• Wellington Area Trail Riding Club (WATC)
• Tararua Tramping Club
• Kaumatua Tramping Club
• Hutt Valley Orienteering Club