Caumasee–Crestasee (Route 657)

Flims – Flims · Flims, Graubünden · Switzerland

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Route type unverifiedRoute type

15.29 kmDistance

4 h 20 minDuration

ModerateRecorded effort

574 mAccumulated ascent

Difficulty scale

Historic recorded designation; not verified as fitness or technique.

These groups reflect the recorded general designation, not a verified fitness or technical grade. Terrain, exposure, chains and ladders must be assessed separately; read the source notes. No SAC grade is inferred.

Official technique (source wording): medium mountain hiking trail
Official fitness (source wording): medium

SAC T-grade: not verified

Painted waymarks: not verified

Official route source

Safety and route notes

Existing editorial notes, not live trail status. Any check date below applies only to that static check; recheck official notices and local conditions before departure.

A loop from Flims through the Val Stenna and its mountain forest past four lakes — Lag Prau Pulté, Lag Prau Tuleritg, Caumasee (Lag la Cauma) and Crestasee (Lag la Cresta) — with the Il Spir viewing platform over the Rhine Gorge at Conn and the Felsbach Gorge.
Check local trail conditions before departure.
No claim of current opening; no closure notice was displayed on the official route page when checked on 2026-10-24.

Official route source

Map and track

Track with 2,009 imported points

Altitude and elevation

Elevation profile

1091 mStart altitude

846 mMinimum altitude

1256 mMaximum altitude

574 mAccumulated ascent

574 mAccumulated descent

165 mAltitude differenceestimated · maximum altitude minus start altitude

About the trail

Senda quatter lags da Flem — the Four Lakes Hike, official SchweizMobil summer hiking Route 657. A loop from Flims through the Val Stenna and its mountain forest past four lakes — Lag Prau Pulté, Lag Prau Tuleritg, Caumasee (Lag la Cauma) and Crestasee (Lag la Cresta) — with the Il Spir viewing platform over the Rhine Gorge at Conn and the Felsbach Gorge. Official figures: 15 km, 4 h 20 min, +580 m / −580 m; the licensed dense federal geometry measures 15.29 km and accumulated +574 m / −574 m. Medium mountain hiking trail with medium physical requirement; the official description calls it an undemanding, family-friendly hike, with swimming stops possible at Caumasee and Crestasee. Check local trail conditions before departure. No claim of current opening; no closure notice was displayed on the official route page when checked on 2026-10-24. Source: SchweizMobil, https://schweizmobil.ch/en/hiking-in-switzerland/route-657. Geometry: federal ASTRA Open Government Data, OGD BY. Attribution: Bundesamt für Strassen, Kanton, Stiftung SchweizMobil. Official classification: medium mountain hiking trail; medium fitness. Source: https://schweizmobil.ch/en/hiking-in-switzerland/route-657. Classification checked 25 October 2026.

Getting there and access

Location:: Flims – Flims · Flims, Graubünden · Switzerland
Track start:: 46.83382, 9.28168
Parking:: No data

Start coordinates: 46.83382, 9.28168

Check public transport and mountain roads before leaving; some routes close in winter.

Open directions

Recommended equipment

Unavailable

Not recorded. Missing information does not mean there is no risk.

Weather and official alerts

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Community photos

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