Advertisement
On the edge of the Sahara Desert in southern Tunisia, the town of Douz has stood for a thousand years as the "Gate of the Desert", and the Grande Dune de Sable (Grand Dune of Douz), 3 kilometers north of the town, is the wildest challenge behind this door. This giant sand dune, about 150 meters high and with a slope of 45°, is not only the filming location of the planet Tatooine in the "Star Wars" series, but also the "devil's steep slope" in the hearts of sandboarding enthusiasts around the world. Unlike the soft undulations of ordinary sand dunes, the sand here forms nearly vertical ridges under the action of wind, and presents a metallic luster of gold and red under the sunlight. When the off-road vehicle roars towards the sand ridge, the skateboard rubs against the sand surface to make a low roar, and you will understand why the Bedouins call this place "Al-Akabir" (Giant).
Advertisement
Skateboard selection: Beginners should not be superstitious about "professional hardboards". The sand in the Douz Sand Dunes is very fine, and ordinary hardboards are prone to jamming due to sand infiltration into the bearings. It is recommended to choose a "desert-specific skateboard" with ventilation holes, or directly rent a "felt skateboard" modified by a local guide - the bottom is wrapped with burlap, which can increase friction and prevent sand from invading.
Advertisement
Clothing trap: Don't be fooled by the desert photos on the Internet! Wear loose trousers instead of shorts (the temperature of sand can reach 50℃), and wear full-finger gloves instead of sun protection sleeves (palms are easily scratched by sand when falling). The most important thing is shoes: ordinary sports shoes will sink deeply in the sand, and professional sand boots are good but expensive. The secret taught to me by the locals is: wear old tennis shoes and wrap the trouser legs tightly around the ankles with tape.
Sand dune warm-up method: dynamic stretching must be done before going up the sand dunes! Focus on the ankles, knees and hip joints. The local guide will teach you the "camel step": imitate the camel's standing action, bend your legs slightly, support your knees with your hands, squat slowly and stand up, repeat 10 times to activate the core muscles.
Advertisement
Starting posture: legs are shoulder-width apart, knees are slightly bent, and the body is leaning forward 15°-this angle allows you to keep balance in the flow of sand. Spread your hands like eagle wings, not to show off, but to quickly touch the sand and slow down when out of control.
The yin and yang face of the sand dune: the sand on the east slope (sunny side) of the sand dune in the morning is compact and suitable for practice; the west slope (shady side) in the afternoon is shady and humid, and the sand layer is soft, which is the battlefield for the gods to challenge difficult movements. But the shady side hides the "quicksand trap"-the seemingly flat sand surface may form a cavity due to groundwater, and reckless people are trapped every year.
Advanced Z-shaped route: During the beginner period, you can walk in a "z" shape to slow down the slope. But want to break through the bottleneck? Try the "three-stage sprint": do the first acceleration at 1/3 of the dune, use inertia to adjust the center of gravity when rushing to 2/3, and press the board with all your strength in the last 1/3. The key is to complete the turn 5 meters before the sand ridge line, otherwise you will fall directly to the bottom of the dune.
The "speed spell" of the sand dune: After the speed exceeds 40 kilometers per hour, the sand will wrap the skateboard like a liquid. At this time, any turn may cause a rollover. The solution is the "point brake method": use the back heel to quickly and lightly tap the sand surface, and the contact area each time does not exceed 1/3 of the sole of the foot, and use the resistance of the sand to slow down.
The ultimate braking technique: the "sand waterfall emergency stop" taught by the local guide: suddenly sit back while sliding at high speed, touch the sand surface with the whole buttocks, and open your arms and insert them into the sand. This action will raise a large amount of sand mist, but it can make you completely still within 3 seconds - of course, the price is that your pants will be worn out.
Desert-specific training method: Do 5 sets of "sand dune squats" every day: face the sand dunes, sink your feet into the sand to your ankles, slowly squat until your thighs are parallel to the ground, and then stand up explosively. This action can simulate the muscle force mode of sliding on the sand.
Breathing secret: When sprinting on the sand dunes, use the reverse breathing method of "inhale through the nose and exhale through the mouth": the abdomen bulges when inhaling, and the diaphragm contracts when exhaling. This can prevent dry air from irritating the throat, and it is more effective than wearing a mask.
When the sunset dyes the Douz Sand Dune purple-red, you will see two kinds of people: one is slumped at the bottom of the dune, repeatedly checking the photos in the camera; the other is silently packing up equipment and preparing for the challenge of the next day. Conquering the 45° steep slope is never the end, but the beginning of understanding the desert - its cruelty and generosity, its silence and roar. Next time you stand on a sand ridge, remember to touch the sand under your feet: they may have witnessed the camel bells of Hannibal's army and carried the roar of modern off-road vehicles, and now they belong to you. Practical tips: There are many travel agencies in Douz that offer "sand dune conquest packages". "Desert Hawk" is recommended. The guides will carry GPS and quicksand detectors. Best time to challenge: October to April, avoid the scorching sun at noon. Don't forget to do one thing before leaving: plant a small flag at the highest point of the sand dune. This is a ritual passed down by the Bedouins for thousands of years - telling those who come later that you have been here.