Glossary of Terms

Baby Heads

Rock chunks that are about the size of a baby head. The largest classification we have for rock chunks. Note – this is not a term we have originated, it is a common term used within mountain biking. Trust us – Google it!)


An out and back section of a route that is normally attached to a loop around the mid-point. The dogleg is normally included so that a scenic attraction of the area is not missed.


A route that is shaped like a dumbbell weight. It has two loops attached by a common segment in the middle that is use in both directions.

eBike Friendly

We tag our routes as eBike friendly: (a) if we believe that eBikes are legally allowed on all elements of the route and (b) if the route has little hazard to using an eBike (i.e. that there are no hike a bike sections, stream crossings, etc.). However, it is still the responsibility of the eBike owner to ensure that they ride legally, responsibly and safely. We do not consider battery life when tagging a route as eBike friendly.

eBikes are allowed on Department of Interior trails / paths / roads where non-powered bikes can go. The Department of Interior manages national parks and monuments and the Bureau of Land Management. For more information on the Department of Interior policy click here.

eBikes are not allowed on National Forest Service trails where non-powered bikes are allowed. On National Forests eBikes are only allowed on roads that are legal for powered vehicles. For more information on the National Forest Service policy click here.

On state, county and city lands, eBikes policies vary. Be sure to check with each jurisdiction before riding on these types of lands.


Rock chunks that are about the size of an eyeball. Smaller than fisters, bigger than pea gravel.

Figure 8

A route that has a two loops, joined by a common point. One of the loops rides in the clockwise direction, the other in the counter-clockwise direction.


Rock chunks that are about the size of a fist. Smaller than baby heads, larger than eyeballs.


 A ride that is mostly gravel / fire roads.  Best ridden with a cross / gravel bike or mountain bike.


 A route that has a stick and a loop. The stick comes at the beginning of the ride, leads to the loop, and the stick is then re-ridden back to the start. An example of this is the Brickhouse route.


A ride that includes a mixture of pavement, gravel / fire roads, bike paths and possibly a bit of double track / single track.  Best ridden with a cross / gravel bike.

Moon Dust

A talcum-powder-like trail surface commonly found during the arid midsummer months. Moon dust is loose, slippery, unpredictable and difficult to ride through. On gravel roads, moon dust can be from less than an inch deep to over 6″ deep.

Tootsie Roll Wrapper

A route that has a middle loop, with two common segments. The common segments are used in both directions. One of the common segments is at the beginning of the ride and the second common segment usually at the far end of the loop. For an example, see the route My Girl Paulina.

Out & Back

A route that goes out to a point, makes a U-turn, and returns on the same roads / trails. The turn around point is usually a scenic vista or natural feature — something worth riding to!

Point to Point

A route that starts at Point X and goes to Point Y. The start and finish of the route are not the same place. Point to Point routes are common in bikepacking.


Broken pavement or short sections of high quality gravel roads interspersed amongst long sections of pavement. Roubaix sections are usually abondoned / decommissioned paved roads.

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