The Grinton Smelt Mill Walk is a 1210 yd looped trail that starts and ends in North Yorkshire, England. Based on our data, the trail is graded as Medium. For information on how we grade trails, please click here. Also, check our latest community posts for trail updates.This trail can be completed in approx 0 hrs 21 mins. Caution is advised on trail times as this depends on multiple variables. For more info, click here.Photo Credit :T EyreThe joy of all things