Our Calorie Calculator estimates how many Calories you will burn using Metabolic Equivalent (MET) values from Compendium of Physical Activities. The Compendium idenitifes the relative energy cost of undertaking various activities compared with doing nothing. We then combine this with your weight and the estimated duration of the activity, taking into account the length of the route and the hills involved, to estimate the total Calories burned.
When selecting an Activity setting, select the speed you would normally travel at on flat ground.
Please remember, the estimated number of Calories is just a guide and the actual number of Calories burned may vary depending on other factors such as weather and terrain.
This route can be downloaded in the following formats (click to download):
Ways.Snowdonia Slate Trail/Welsh Three Thousands
Hills.Pen Yr Ole Wen-Carnedd Dafydd-Carnedd Llewelyn-Pen Yr helgi_Du
Please be careful to observe all signs for rights of way when following other people's routes, as we cannot guarantee that they do not cross private or hazardous land.
Please also be considerate and mindful of the interests of local residents when parking and following routes.
Use our Route Profile tool to explore the elevation profile for this route. Find the highest point, the steepest secton and the longest climb!
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