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South Padre Island sand dunes are gorgeous sights to see. Standing between the island's shores and the developed areas behind them, the dunes act as a barrier that protects the inland from strong winds and high tides. If you allow them to, these beautiful barriers can also act as a buffer between you and the bustle of everyday life as you enjoy a relaxing day on South Padre's beaches.
The dunes on South Padre are important to the island's vegetation, wildlife and community, so it is important to protect these breathtaking wonders. If you plan to visit the sand dunes in South Padre Island, learning more about them can help you develop a new appreciation for their beauty and importance as you enjoy a fun time on the shore.
Sand dunes are hills or mounds made up of accumulated sand grains. They can be as small as simple bumps in the sand or significantly large geographic structures. They are ever-changing natural features that continuously move.
A sand dune is made up of two sides, but it can come in different shapes. The wind blows on a dune's windward side and pushes sand grains up while the slip face side remains smooth due to lack of wind contact. Sand dunes can form into five different shapes, which include the following:
When the wind blows on a beach or in a desert, it pushes sand against an impediment such as plants or a sheltered area where it accumulates and grows. Sand dunes essentially move back and forth. Onshore wind pushes sand onto existing dunes while the offshore wind moves sand from dunes to the beach.
As sand accumulates, it creates a habitat for beach grasses such as lyme grass and sand couch. These plants' horizontal roots are strong enough to stabilize the sand as more sand settles. Eventually, the accumulated sand engulfs these grasses and marram grass replaces them its fast-growing nature can keep pace with the growing dunes.
Once a dune surface stabilizes, herbs, lichens and finer grasses begin to grow. Decomposing plants provide some nutrients to the dunes, but acid-loving plants such as heather grow easier as rain washes many of the dunes' nutrients away. Sand dunes usually form on flat coastlines, but they can also “climb” cliff faces when strong onshore winds push them.
Sand dunes serve as barriers and protect land and structures behind them from windy storms and strong waves. They also provide habitat for animals and vegetation that grows on the beach. Wind sometimes pushes sand away from a dune and forms a hollow. If water comes in contact with a hollow, a water-filled depression known as a dune slack can support wetland vegetation.
A sand dune can be home to wildlife such as reptiles and bumblebees. If you walk past a dune, you may find buzzing bees or distinctive lizard tracks. In addition to providing habitat, beaches with sand dunes also provide protection for inland areas. They protect the inland from strong winds, high tides and sea swells, which protects people and their homes from these potentially destructive forces.
In some areas, local and national authorities attempt to bulldoze sand from the shore to build artificial sand dunes, but artificial dunes lack necessary sediment and remove sand from where it is needed on the shore. The elements will eventually break artificial sand hills down, which is why it is important to protect natural sand dunes.
Factors such as climate change, recreational pressure and rising sea levels are threats to sand dunes. Dunes can fossilize when the sea, farmlands, golf courses and development reduces new sand availability. These challenges, as well as recreational activity, can interrupt a sand dune's natural processes. Trampling and other damage can alter a sand dune's future development.
Sand dunes are dynamic, and a dune belt is a mobile habitat that needs space to move inland as sea levels increase. Climate change threatens sand dunes because it causes sea levels to rise while the dunes have little space to move. As roads, houses, piers and condos develop, sand dunes lose available space to shift with changing sea levels.
To protect dunes on South Padre Island, visitors can respect their space. It is important to admire these magnificent natural wonders from a distance and avoid crossing or touching them to reduce interference. Give local wildlife and plant life space to fill their roles so that sand dunes can grow and change naturally.
It is also important for local and government officials to avoid developing more buildings near sand dunes so they have the space they need to move and grow. South Padre's General Land Office has sand dune protection laws and maintenance measures in place to help coastal communities preserve and repair the island's dunes.
Sand dunes are critical to the ecology of South Padre Island. The wind blows sand from the Gulf beaches onto the dunes that line South Padre's eastern shore. The South Padre sand dunes are important because they protect the island's grasslands from strong storm tides and flooding. They also create a breathtaking scenic backdrop for the island's beaches.
The sand dunes on South Padre Island, Texas are beautiful and fun to visit, whether you're taking a sunset stroll along the beach or enjoying a fun day splashing in the ocean with your family.
Kampgrounds of America offers a basecamp to explore South Padre's dunes and beaches at South Padre Island KOA Holiday. KOA offers convenient amenities and fun recreational activities to make your stay as comfortable and enjoyable as possible. Spend the day soaking up the sun and salty ocean air, and then spend your evening around a cozy campfire. Book your stay at KOA to experience South Padre's sand dunes and fantastic beaches.
That doesn't mean this area has to always be empty. When you start reviewing camping options, your history will display here to help compare sites and find the best stay. You will be able to share your stay information with friends or family and save it for a later time if you have a KOA Account.
Make checkout easy by booking all your reservations at once. Add your sites from different campgrounds into your shopping cart* and then choose checkout.