You should be fine. I have crossed into the USA and back into Canada many times with more gear then that with no questions asked other then one cursory search by a Canadian border services officer who took a keen interest in some of our gear as she was a hiker herself...

For complete details, the Canada Border Services Agency website has plenty of related info.
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Earth and sky, woods and fields, lakes and rivers, the mountain and the sea, are excellent schoolmasters, and teach some of us more than we can ever learn from books.

John Lubbock