· Regional
· CMSB
Strenuous
CMSB 21
📏
28.1 km
Distance
⏱
7h
Est. duration
⛰
Strenuous
Difficulty
➡
Linear
Route type
A 28.1 km Regional Hiking trail, CMSB 21 takes walkers through a varied section of terrain.
At 28.1 km, this is a challenging full-day or multi-stage hike. At an average pace, the route takes roughly 6 hours and 15 minutes to complete.
As a linear trail, this route has distinct start and end points. Return transport is worth arranging in advance unless you plan to walk back the same way. Look for the CMSB trail markings to stay on the official route.
A Regional Walking Network (RWN) route, this trail weaves through the regional landscape connecting villages, viewpoints, and countryside.
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
· Is Zuddas
B
Finish
· Masainas
Photos
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Frequently Asked Questions
How far is it to walk CMSB 21?
CMSB 21 covers a distance of 28.1 km.
How long does it take to walk CMSB 21?
At an average walking pace, CMSB 21 takes approximately 7h to complete.
Do I need to return the same way on CMSB 21?
No — CMSB 21 is a one-way trail. It runs from Is Zuddas to Masainas. You will need to arrange return transport or retrace the route.
Where can I begin walking CMSB 21?
You can begin CMSB 21 at Is Zuddas.
How difficult is CMSB 21?
CMSB 21 is a strenuous hike requiring excellent fitness and prior hiking experience.
Who maintains the CMSB 21 trail?
CMSB 21 is maintained and managed by Fondazione Cammino Minerario di Santa Barbara.