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Your Guide to Fall Colors on the Susquehanna Greenway

Susquehanna Greenway Partnership Shares Tips for Viewing Foliage Along the Susquehanna River

As the dog days of summer fade and the season shifts to crisper cooler weather, the verdant greens of the Susquehanna Greenway also transform to the colorful spectrum of fall.

This phenomenon makes it a wonderful time of year to explore the outdoors of our region, but why do leaves changes color in autumn anyway? Why do some keep their foliage while others shed their leaves? What makes them red, orange, or yellow? How do we know if it’s going to be a colorful year?

While you’ve been unpacking those sweaters and scarves, we’ve unpacked these mysteries and more below!

 

Leaves: To Drop or Not to Drop?

 

Mocanaqua Trail – Photo Courtesy of Nicole Karr

 

Trees can be divided into two basic categories: deciduous and evergreen. Evergreen trees keep their leaves or needles for multiple years using a waxy coating to prevent the loss of water and an antifreeze to help them resist freezing temperatures. Deciduous trees, on the other hand, loose their leaves entirely each year.

Since the leaves of deciduous broadleaf trees (oaks, maples, dogwoods, etc.) require more water and nutrients than the needles of evergreen trees (pine, spruce, and hemlock), they rid themselves of their costly-to-maintain foliage. As the days become shorter and temperatures drop, the deciduous trees adapt to the rigors of winter by shedding their leaves and reabsorbing the nutrients back into the tree to conserve its resources.

A tree is like a miniature economy, and the large leaves are too costly to maintain during the winter when resources are scarce. But before they drop, we see that wide spectrum of color.

 

Bright Red

 

Photo Courtesy of Susquehanna Greenway Partnership

 

Imagine you are a Sugar Maple deep in the forests along the remote sections of the West Branch Susquehanna River. If the latter part of summer was unseasonably dry, the autumn sky was clear and sunny, and the nights were a chilly 40 degrees – these weather conditions will bring out your brilliant red colors. This is all thanks to a substance known as Anthocyanin, a red pigment produced in the leaves of Sugar maple trees.

In response to unfavorable weather, this pigment is produced to protect leaves as an antioxidant that repairs damage, a natural sunscreen that shields excess sunlight, and as a defense against the cold and drought. It is also thought to help provide the tree more sugar and other nutrients before the end of the growing season.

 

Yellow to Orange

 

Photo Courtesy of Susquehanna Greenway Partnership

While the Sugar Maples produce brilliant red pigments, other trees such as aspen, birch, and hickory display their yellow and golden hues from the leftover materials in the leaf after the green chlorophyll (a pigment used to make nutrients) has been reabsorbed. This means the yellows come from a lack of green pigmentation that masks the yellows throughout the spring and summer.

In addition, some maples, such as the streamside Silver Maple, add an eye-catching orange to create a yellow to red spectrum across the landscape. The color is caused by the leftover compound beta-carotene, the same chemical that makes carrots orange.

 

Smoky Gold

 

Nesbitt Park – Photo Courtesy of Jeanne Kenney

 

Although the broadleaf trees, like maples, tend to lose their leaves, while conifers (cone-bearing trees) keep their needles, there are some exceptions. Tamarack, a conifer tree species native to Pennsylvania, is known for losing its needles annually each fall. The brilliant spectacle was famously observed by 20th Century Naturalist Aldo Leopold who described the fall color of these needles as a beautiful “smoky gold.” It can be found planted in parks and yards, as well as growing wild in forests throughout the state.

 

Where and When?

Riverside Park, Tunkhannock, PA

 

 

The colorful trees mentioned above can be found sporting their fall colors throughout Pennsylvania, from parks and yards in suburban areas to the deeper forested areas of the state. However, the region known as the Allegheny Plateau along the upper West and upper North Branches of the Susquehanna River yields more brilliant red maple forests than anywhere else in Pennsylvania.

It just so happens that the plateau overlaps with both the Susquehanna Greenway and NEPA! Below are some suggested locations for spotting fall color.

 

River Towns

 

Starrucca Viaduct — Susquehanna, PA

 

Some of the best places to take in the foliage are amidst the quaint river towns nestled along the Susquehanna River, like Bloomsburg in the lower reaches of the region or Tunkhannock to the north. These towns make for the perfect foreground as the leaves begin to change, not to mention plenty of options to grab a bite or a warm cup of your favorite drink after your foliage adventures.

 

Trails

 

Susquehanna Warrior Trail, Berwick, PA

 

Another great way to experience autumn color is to hop on a trail and view the changing colors right at the source. A few great trails to explore within the region include the Iroquois Trail for a pleasant woodland stroll, the Luzerne County Rail Trail for a walk or bike ride right along the Susquehanna, the Mocanaqua Trail for a moderate hike to a stunning overlook of the river, and the Susquehanna Warrior Trail for a longer walk, run, or bike ride right within the river valley.

 

Parks

 

Susquehanna Riverlands, Berwick, PA

 

Sometimes it’s just nice to sit back and relax, enjoying the scenery from a park bench. There are plenty of parks within the region to enjoy a fall picnic with views of the foliage and the Susquehanna River. We suggest exploring Tunkhannock Riverside Park, Nesbitt Park, Susquehanna Riverlands, and Bloomsburg Town Park.

 

The River

 

Kayaking the Susquehanna River in the Endless Mountains.

 

For those seeking a bit of an adventure, the foliage can also be explored right from the Susquehanna River via canoe or kayak! Just be sure to dress warm, check river levels, and plan your trip carefully. We suggest exploring these North Branch paddling itineraries for enjoying the fall colors by kayak. (Remember: Life jackets must be worn at all times starting November 1st!)

For planning the best time to go, keep an eye on the weather. The persistent dry, sunny days and cool 40-degree nights will turn the Sugar maples the brilliant bright red sooner!

As you prepare for your leaf-peeping adventures, be sure to explore some of the helpful links below for more locations, maps, and photography tips for capturing those vibrant colors:

Inventory of Parks

Inventory of Trails

Online Interactive Map

Fall Foliage Prediction Map

Tips on Photographing the Foliage

 

 

Featured Image (Top) North Branch Susquehanna River – Photo Courtesy of Christine Busch

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