HikeMetrics
Global Hiking Index
Hiking Route Dossier

Tregennis Coastal Walk

Updated 2026
Technical Class
Level 3: Moderate
Best For
Comfort with 3 hours of constant, moderate up-and-down walking on rocky, root-covered, and sometimes muddy coastal paths.
Not Ideal For
Inexperienced solo hikers
Total Commitment
1 Day · 9.6km+160m Total Ascent
Route Snapshot

This route covers 9.6km return.It involves around 160m of cumulative elevation gain.

The route reaches roughly 65m at its highest point. While the altitude is moderate, weather exposure and wind can make conditions feel more demanding than the elevation suggests.

Technically, the Tregennis Coastal Walk standard trail is a scramble. The primary difficulty is the sustained physical effort required or technical terrain features.

Overview

Distance9.6km
Elevation+160m
Days1

Technical Summary

The Tregennis Peninsula offers some of the wildest and oldest coastal scenery in Wales. This stunning 6-mile (9.

The Crux

The Ramsey Sound Tides. The 'X-Factor' is the raw energy of the sea. By simply walking the cliffs above Ramsey Sound, you are staring down at one of the fastest tidal races in Britain (The Bitches reef). Watching the water sustainedly boil and swirl between the mainland and Ramsey Island gives the walk a uniquely powerful, restless atmosphere.

Ideal For
Comfort with 3 hours of constant, moderate up-and-down walking on rocky, root-covered, and sometimes muddy coastal paths.
Risk Level
Moderate technically, but severe weather-dependent endurance.
Why Choose This
Standard safety protocols and localized hazard assessments based on park regulations.

Hazard Assessment

What is the most dangerous section of the Tregennis Coastal Walk?
unguarded gales

Tregennis faces straight into the Atlantic and Irish Sea. In poor weather, the wind on the high cliffs can be strong enough to pose a literal blow-over risk.

Recommended Mitigation
Do not attempt the exposed headlands during a named storm. Wear a windproof shell even on sunny days.View Hazard Classification Scale →
cliff edge erosion

The path is rugged and runs very close to the sheer drops, particularly around the ruined copper mine at St Elvis.

Recommended Mitigation
Keep dogs strictly on leads; the edge is often obscured by thick coastal heather and thrift.View Hazard Classification Scale →

The Expert Take

Success on this route requires balancing physical stamina with environmental awareness.Local conditions shift rapidly; always verify forecasts with regional authorities before moving to higher ground.

Editorial AnalysisHikeMetrics Research Team

Stage Breakdowns

How long does it take to hike the Tregennis Coastal Walk?
3 Stages
Start
Standard Pace

Porth Clais to Pen Dal-aderyn

Climbing out of the deep harbor, tracing the rugged cliffs facing Ramsey Island, and reaching the extreme tip of the peninsula.

Target Duration1 hour 15 min
Tap to expand stage details
Phase 1
Standard Pace

St Justinian's and the Copper Mine

Following the coast north past the old and new lifeboat stations, looking out at the boiling 'Bitches' reef, to the ruined St Elvis mine.

Target Duration1 hour
Tap to expand stage details
Finish
Standard Pace

Inland Return to Porth Clais

Turning away from the sea at Whitesands (or slightly before), using the quiet farm lanes and tracks back across the neck of the peninsula.

Target Duration45 min
Tap to expand stage details

Route
Geometry

Topographical Data & Reference Points

Key Reference PointsTREGEN
  • Route Typehiking
  • Highest Pointpeak elevation on route
    65m
  • Lowest Pointvalley floor elevation
    ---
  • GPS Location51.8710°N 5.2890°W

Technical Profile

REF ID // TRE-2026

Vertical Ascent Profile

Constantly undulating but lacking massive ascents. The path sharply drops into the coves (like Porth Clais) and immediately climbs back to the 50-60m high cliff tops. The inland return leg across the peninsula is relatively flat farm track.

Terrain Characteristics

Scramble terrain (Class 2) — involves fixed-rope sections or often required hand-use on steep terrain.

The physical demand is defined by the 9.6km distance and local environmental conditions rather than vertical gain.

Topographical profile correlates with stage-by-stage breakdown. Data referenced from regional park authority sources and topographic surveys.

Technical
Matrix Profile

The HikeMetrics Global Matrix provides an objective, multi-dimensional assessment of technical difficulty, exposure risk, and environmental load.

Expert Verification v1.0
Terrain Type
Canyon / Gorge
C
Movement Class
Scramble (Class 2)
Class 2
Exposure Level
Serious injury possible
E2
Remoteness Index
1-2h to Road
R1
Environmental Load
Wind / Sleet
W
Risk Summary

Professional evaluation of route mechanics and environmental stress factors. Recommended for participants within specified technical scope.

Calibration Standard

This profile uses the HikeMetrics v1.0 risk matrix, prioritizing environmental stress and movement complexity over simple elevation metrics.

Technical Specs

Access & Logistics
Nearest AirportLocal Transit
Base Duration1 Days
AccommodationHigh density of campsites, B&Bs, and hotels in St Davids. A very popular campsite sits right above Porth Clais.
Regulations
Land Access PermitNOT REQUIRED

No permit required. Respect the farms on the inland return by closing all gates.

Seasonality
Operational WindowVariable by altitude
MayJunJulAugSepOct

September and October are spectacular; this is the prime pupping season for Atlantic Grey Seals, easily seen in the secluded coves below the path. Regulations change; verify with the official park or local authority before departure.

Safety Index
Rescue Access
YES
Cell SignalPartial

Compare This Route

Cross-Reference Analysis

Side-by-side metric analysis against comparable global routes.

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Route Questions

01

Can I get a boat to Ramsey Island from here?

Yes. While you start walking at Porth Clais, you will pass St Justinian's halfway, which is the departure point for all wildlife boat trips to Ramsey.

02

Do permit rules stay constant year-round?

Not always. Permit and guide requirements can change by season and region. Verify the latest rules with the official park office or local authority before departure.

03

What is the safest start-time strategy?

Start early and plan to clear exposed sections before midday. This reduces heat, storm, and visibility risk on most mountain routes.

04

How much water capacity is usually needed?

For exposed hiking days, carrying 2-3 liters is common. Increase capacity when refill reliability is low or temperatures are high.

05

Is mobile signal reliable on route?

Coverage is often patchy outside towns and major valleys. Treat phones as secondary tools and carry offline navigation resources.

Dossier Verification & Sync

Mapping Data
OSM / TOPO
Weather Ref
FORECAST / LOCAL
Authority
FORESTRY ADMIN
Anchor Check
GEOMETRY-SYNC

Data points indexed in this dossier are cross-referenced against authoritative land management records and regional mapping. HikeMetrics maintains independent verification protocols for all primary route geometry.

HikeMetrics Dossier
Tregennis Coastal Walk