· Regional
· CMSB
Moderate
CMSB 12
📏
13.5 km
Distance
⏱
3h 22min
Est. duration
⛰
Moderate
Difficulty
➡
Linear
Route type
CMSB 12 is a 13.5 km Regional Hiking hiking route.
Covering 13.5 km, this is a substantial hike requiring a reasonable base fitness. Most walkers complete it in about 3 hours.
This linear trail moves from one end to the other without looping back. A return journey by transport — or retracing the path — is needed to get back to the start. The trail is officially waymarked as CMSB, so look out for the trail markers along the way.
As a Regional Walking Network (RWN) route, this trail is maintained and waymarked at the regional level. It typically connects towns, villages, and natural highlights across the wider area.
Elevation Profile
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Elevation data from SRTM via OpenTopoData (open dataset).
Map
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Waypoints
5 points along the routeA
Start
· Arenas
B
Finish
· Su Mannau
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Frequently Asked Questions
How long is the CMSB 12 hiking route?
CMSB 12 is 13.5 km long.
How much time should I allow for CMSB 12?
Most walkers allow around 3h 22min for CMSB 12 at a comfortable pace.
Is CMSB 12 a circular or linear route?
CMSB 12 is a linear route, not a loop. It runs from Arenas to Su Mannau. Return transport from the finish point is recommended.
Where does CMSB 12 start?
CMSB 12 starts at Arenas.
Is CMSB 12 suitable for beginners?
CMSB 12 is suitable for walkers with some experience. A basic level of fitness is recommended.
Who maintains the CMSB 12 trail?
CMSB 12 is maintained and managed by Fondazione Cammino Minerario di Santa Barbara.