Record SL-436196 · DOBIH 2131 · OSM node 29750177
Rhialgwm
Rhial Gwm;Rhial-gwm
HuMP
TuMP
Dewey
Marilyn
Elevation
541
m
1,773 ft
Prominence
221 m
Isolation
—
Coordinates
52.7798° N,
3.4025° W
Grid ref
SJ054211
Contour figure · generated from position
Record coverage
Elevation
on record
Coordinates
on record
Prominence
on record
Description
not on record
Photograph
not on record
First ascent
not on record
This record is built from survey data. Elevation and position are verified; no prose description exists for this summit.
Best months
Hiking score 0–100 · 10-yr climate averagesRows beneath each bar: mean temperature, monthly precipitation. Highest-scoring month in red.
Neighbouring summits
| Name | Elevation | Bearing | Distance |
|---|---|---|---|
| Clawdd Mawr | 505 m | E 68° | 0.8 km |
| Cilhaul | 456 m | SE 139° | 1.1 km |
| Pen-y-Bylchau | 444 m | S 191° | 1.4 km |
| Boncyn Cammen | 414 m | SE 119° | 1.8 km |
| Croes y Forwyn | 499 m | W 266° | 2.5 km |
| Bryn Coch | 429 m | NW 320° | 2.6 km |