Hayden Hill-Silva Flat State Game Refuge
Hayden Hill-Silva Flat State Game Refuge is a park in California, at a recorded elevation of 1,674 m. Blacks Mountain stands 2,222 m to the southwest, 20 miles off. The nearest named place is Lost Valley Mountain, a peak 2.9 miles away.
What the record says
- Elevation
- 1674 m
How to reach it
Named places within 25 miles
- Lost Valley Mountain: 2.9 mi
- Snag Hill: 3.6 mi
- Manzanita Hill: 3.8 mi
- Letterbox Hill: 4.3 mi
- Summers Hill: 4.7 mi
- Clara Bieber Memorial Park: 12.0 mi
- Adin park: 12.7 mi
- Ash Creek Wildlife Area: 13.3 mi
- Madeline Plains Waterfowl Management Area: 22.3 mi
- Beaver Creek Rim: 17.9 mi
- The Cliffs: 18.5 mi
- Butte Creek Rim: 23.1 mi
- Sandy Beach: 24.3 mi
- Halfmoon Beach: 24.4 mi
- Young Falls: 18.6 mi
- Dutch Flat Wildlife Area: 19.2 mi
- Site of the First School in Fall River Valley: 19.9 mi
Summits around it
The highest named summits within 22.9 miles of Hayden Hill-Silva Flat State Game Refuge. Elevation from each summit’s own record; bearing measured between the two coordinates.
| Summit | Bearing | Elevation | Distance |
|---|---|---|---|
| Blacks Mountain | SW 216° | 2,222 m | 20.0 mi |
| Harvey Mountain | SSW 192° | 2,217 m | 18.8 mi |
| Slate Mountain | SSE 156° | 2,162 m | 14.1 mi |
| Knox Mountain | NE 49° | 2,149 m | 18.3 mi |
| Whitinger Mountain | E 101° | 2,143 m | 16.5 mi |
| Ashurst Mountain | S 183° | 2,143 m | 18.6 mi |
| Manzanita Mountain | NNE 24° | 2,137 m | 20.5 mi |
| Grouse Mountain | NNE 15° | 2,111 m | 22.9 mi |
When to go
Light through the year
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 07:08 | 18:40 | 19:16 |
| June solstice | 05:33 | 19:59 | 20:40 |
| September equinox | 06:52 | 18:26 | 19:03 |
| December solstice | 07:26 | 15:55 | 16:39 |
Local time (America/Los_Angeles).
Climate normals
Months averaging 50–80 °F: May–Oct.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °F | 36 | 38 | 42 | 47 | 55 | 62 | 70 | 68 | 63 | 52 | 41 | 34 |
| Precip in | 1.9 | 1.5 | 1.7 | 1.6 | 1.7 | 0.8 | 0.2 | 0.2 | 0.4 | 1.0 | 1.6 | 2.2 |
1991–2020 U.S. Climate Normals, NOAA NCEI — Adin RS, 13 mi away.
- prairie smoke1 obs
- diamond clarkia1 obs
Research-grade iNaturalist community observations within 3 km — what people have recorded, not a species inventory.
Where this comes from
Location and category confirmed against OpenStreetMap.
OpenStreetMapWikidataOpenStreetMap element node/358819946
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