Freeze. Thaw. Repeat. March Trail Conditions

March is a beautiful but sensitive time on the trails. It is the in between month where the snow starts shrinking, the sun feels warmer, and the ground begins to transition right beneath our feet.

As temperatures begin to rise and daylight stretches a little longer, we enter what’s known as the freeze thaw cycle. Mornings may look frosted and winter like, while afternoons soften quickly as snow melts and the ground beneath begins to release moisture.

It might not look dramatic, but beneath the surface a lot is happening.

Why Trails Get Soft: When snow melts, the ground underneath becomes saturated. At the same time, deeper layers of soil may still be frozen, preventing water from draining properly. This creates soft, muddy sections that are especially vulnerable to damage.

Fun Science Fact: Water expends by about 9% when it freezes. That expansion lifts and loosens soil particles (a process known as frost heave) When it thaws, the soil settles down in a softer, more unstable state. This is why the trails can feel more firm in the morning and dramatically softer by the afternoon.

Why it matters: Spring thaw is one of the most important times of the year for long term trail health. The way we use our trails during this transition period can help prolong the trail life for years to come. Sometimes the best way to protect the trails is simply giving them a little time to dry out.

Looking Ahead: As we move toward April, we’ll begin preparing for Earth Day and spring clean-up efforts. March is a great reminder that our trails are shared spaces that thrive when the community works together to care for them. Thank you for doing your part to protect the trails during this important seasonal transition.

Spring my look messy, but it's part of the renewal process. With a little patience and stewardship, the trails will be ready for another full season of adventure.

See a tree down? Or an impassible wet spot? Email Trails@snnf.ca