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Mountain Ash
City in Rhondda Cynon Taf, United Kingdom
Overview
Mountain Ash is a charming former coal mining town set in the Cynon Valley of South Wales. It is known for its friendly community, green hills, and easy access to local heritage sites in the Rhondda Cynon Taf region.
Geographic Context
Jurisdiction
United Kingdom
Unitary Authority
Rhondda Cynon Taf
Population
11,230
Time Zone
Europe/London
Coordinates
51.68°, -3.38°
Key Metrics
Safety Score · estimate
75
Female Safety
75
LGBTQ+ Safety
70
Traffic Safety
65
Food Safety
95
Monthly Cost · estimate
$1,885
Local Cost
$1,278
Local Income
$1,950
Cashless
80
English
100
Temperature
10.3°C
Summer Avg
15.8°C
Winter Avg
5.3°C
Record High
30.8°C
Record Low
-5.8°C
Humidity
87%
Precipitation
966 mm
Internet Speed
177 Mbps
Upload
33 Mbps
Latency
9 ms
City Vibrancy
17
Coworking
1
Cafes
2
Nightlife
13
Parks
1
Transport
49
Walk Score
49
Footways
98.0
Airport
CWL
Distance
32 km
Explore
Data sources
Source-backed data
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Record updated 2025-12-07.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Record updated 2025-12-06.
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.
Oyster List city price estimates - Price origins are unverified. Available generation methods include AI estimates; stored records do not identify a survey, observation period, or model for each price. Record updated 2026-01-14.
Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores include model-assisted estimates. Stored records do not identify supporting observations for each score. Model-reported confidence: 72/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.
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