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  • Writer's pictureStephanie Ashby

Should You Climb Snowdon in Summer?

Updated: May 4, 2023


A number of climbers block the path up Snowdon.
Even in October, Snowdon can be busy.

When the days are warmer and the evenings brighter, people are more likely to decide to tackle a mountain climb. A Welsh mountainside on a beautiful summer’s day can be scenic enough to rival any other location in the world. However, there are some things you need to know before you pack up your family and take them on a day trip to Snowdon this summer.


Here’s why you might want to avoid Snowdon in Summer.

1. It can be very busy, which could spoil your enjoyment of the mountain.

Snowdon is iconic and it’s a popular mountain to climb. There have even been reports of 45-minute queues to reach the summit. That’s why, as a business, we like to try and avoid it through July and August, mainly due to the volume of people on the mountain.

With a wait comes risks. If you don’t have water and the correct clothing, you could find yourself standing in direct sunlight for a long period of time. Naturally, this is when dehydration or heat exhaustion could hit.


2. You’re more at risk of dehydration if you climb Snowdon in summer.


Whatever time of year you climb a mountain or exercise outdoors, you need to be aware of dehydration. Heat exposure and sweating can cause dehydration, which happens when you don’t drink enough.


When too much water is lost from the body and you become dehydrated, your organs, cells, and tissues fail to function as they should. If dehydration isn’t corrected, it could cause shock, and in some cases, it can be life-threatening.


Signs of dehydration include a dry mouth, lethargy, and weakness. Other symptoms include headache, dizziness, lightheadedness, and heart palpitations.

Severe dehydration can lead to an altered mental state, making someone seem confused or angry.

3. It can be a tough walk in the heat.


People tend to let their guard down when the sun shines and treat a mountain climb like an easy day out. But remember, Snowdon is 1,085 metres above sea level, the highest mountain in Wales.


A person of average fitness levels should be able to complete Snowdon in around five hours. People with lower fitness levels will take longer and could be on the mountain for seven or eight hours. Whichever path you take, all of the routes up Snowdon are classed as hard, strenuous walks. And it's going to feel even more challenging when you're hot. Add on a 45-minute to one-hour delay on the top, and it’s a considerable period, especially if you’ve got young children, you’re hot and tired, or you haven’t packed enough water and food.

4. The car parks are likely to be very busy - or full

There are many different options for parking your car to climb Snowdon. If you’re taking the Llanberis Path, you can park your car in a private or public car park in the village of Llanberis. However, in summer, they’re all going to be busy. That's a stress you don't need when you've got a tiring day ahead.

Tips for Climbing a Mountain in the Summer


Stay safe if you decide to climb Snowdon or any other mountain this summer.

Experts say one bottle of water is not enough and recommend you take a minimum of two litres of water. Also, if you’re planning a more challenging climb, carry electrolyte tablets or an isotonic drink to prevent muscle cramps.


  • Start early to avoid the midday sun.

  • Wear a hat to protect your head from the sun.

  • Wear thin, loose, long sleeves to protect yourself from sunburn.

  • Carry warm clothing with you. Even if the weather is warm and sunny, conditions can quickly change and leave you exposed to danger.

  • Check what other kit you need.

Mountain climbs are great for your well-being, and everyone should get into the great outdoors and enjoy what the UK has to offer. However, prepare for your trip and always respect the mountain. And, consider visiting popular attractions like Snowdon at a quieter time, so you can fully appreciate the peace and tranquillity of the area.


Fancy tackling this amazing mountain? Looking for a hiking group in Coventry? Join us for a walk up Snowdon soon! Check out our Events page or drop us a message.



The sun breaks through the clouds on Snowdon.
The beauty of Snowdon in Autumn.


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