I live next door to these trails and have ridden them and watched them change a lot over the years.
Pines was one of if not the first places that had trails for riding your bike off road...it wasn't the first MTB specific centre...and it was and still is very Cross Country oriented. This is because it simply doesn't have the elevation to provide a lot of gravity based fun, but it does a good job with the elevation it has.
The blue graded trail has a few fast bermy sections, though they are short and over way too soon you can still link them with the more engaging sections of the red graded trails to create your own quite fun and flowing route.
As it's pretty flat...expect about 600ft of ascents/descent overall...you do have to pedal a lot, which is very different from a lot of centres, so it's great to build fitness.
There's also a reasonable amount of accessible off piste riding, it's not overly technical but it adds to the mix and can add a few grinds.
It's a good place to grow and develop your skills whilst not being daunting, then you can head out to the more technical and gravity centres to push your skills and experience different types of MTB riding.
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Check out the full trail description: Sherwood Pines Mountain Bike Trails