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  • At the top of Mount Arb Humber Arboretum Environmental Stewardship Coordinator Mother Nature speaks to the Junior Naturalists and their leader

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Junior Naturalists (ages 12 to 13)

Specially designed for youth who fall between the age range for Summer Nature Camp and the LYNX Teen Leader Training program, Junior Naturalist day camp is led by the Humber Arboretum's year-round nature education staff and focuses on building skills while exploring local ecosystems in greater detail. Camp is based out of the Centre for Urban Ecology, but Junior Naturalists spend most of their time outdoors engaged in specialized activities in the forest, river, meadows, wetlands, gardens, and ponds of the Humber Arboretum. 

2026 Session Themes

Planned and facilitated by a professional Nature Interpreter from the Humber Arboretum, Junior Naturalist Camp offers young nature lovers a deeper dive into different camp themes.

More details and registration information coming soon.

Fantastic Freshwater

Tenns work on a stream table.

Monday July 20 to Friday July 24, 2026  

From river to pond to wetland, freshwater is essential for healthy ecosystems. But why is it so important? And what's happening beneath the surface? Get ready for a deep dive into the West Humber River and the Arboretum wetlands.

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Ages 12 and 13

Registration Coming Soon

Insectopia: Mission Monarch

A Monarch Butterfly

Monday August 10 to Friday August 14, 2026

It's time to look closely at the tiny, astonishing world of invertebrates. With a special focus on the Monarch Butterfly, we'll look at how to protect and restore habitat, and contribute to the Monarch Watch citizen science project.

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Ages 12 and 13

Registration Coming Soon

Ontario Camps Association Logo

Humber Arboretum day camps are accredited by the Ontario Camps Association.

Donate to the Nature for All Fund

A chipmunk peeks out of a stump.

Want to give other kids the opportunity to build their confidence and make new friends while they connect with nature?

The Humber Arboretum's Nature for All Fund helps us make Nature Camp, school field trips, and other nature experiences for all ages available to those who would otherwise be unable to participate.