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· Regional · CMSB Hard

CMSB 25

📏
23.4 km Distance
⏱
5h 50min Est. duration
⛰
Hard Difficulty
➡
Linear Route type

CMSB 25 is a 23.4 km Regional Hiking hiking route.

Covering 23.4 km, this demanding trail is best tackled by experienced walkers in good condition. Budget roughly 5 hours and 13 minutes or consider splitting it across two days.

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

Map

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Waypoints

5 points along the route
A
Start · Sant'Antioco
0 km 39.0699°, 8.4507°
1
5.9 km 39.0574°, 8.4689°
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2
11.7 km 39.1300°, 8.5102°
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3
17.6 km 39.1630°, 8.5261°
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B
Finish · Carbonia
23.4 km 39.1656°, 8.5255°

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Frequently Asked Questions

How long is the CMSB 25 hiking route?
CMSB 25 is 23.4 km long.
How much time should I allow for CMSB 25?
Most walkers allow around 5h 50min for CMSB 25 at a comfortable pace.
Is CMSB 25 a circular or linear route?
CMSB 25 is a linear route, not a loop. It runs from Sant'Antioco to Carbonia. Return transport from the finish point is recommended.
Where does CMSB 25 start?
CMSB 25 starts at Sant'Antioco.
Is CMSB 25 suitable for beginners?
CMSB 25 is not recommended for beginners. Good fitness and trail experience are needed.
Who maintains the CMSB 25 trail?
CMSB 25 is maintained and managed by Fondazione Cammino Minerario di Santa Barbara.