Rijssen has a very nice mountain bike route. Information can be found at:
Would you like to cycle this route, but you only have your 'normal' bikes with you? You can hire mountain bikes from Bike Total Bloemendal. On their website, you fill in your height for the right size bike, plus the start and end time. Once you have entered your details and paid, you will receive a number code to unlock the bike.
Have fun mountain biking!