Sunshine Mountain A + PT 13,094 — combination day (San Juan Mountains)¶
At a glance — recommended day
6.4 mi · 3,619 ft gain · Class 2 · 2 peaks · ~7.5 h drive
Researched: 2026-06-08
NOAA weather link: Sunshine Mountain A + PT 13,094 Weather
CalTopo research map: https://caltopo.com/m/11EMC0L
Status in DB: Both 0 ascents (unclimbed). A natural pair on the American Flats / Engineer Pass side of the Uncompahgre high country (Lake City / Henson Creek access).
Note: the recommended route was distilled from 8 recorded GPS tracks of real trips (14ers.com · ListsofJohn · peakbagger) — all layered on the interactive CalTopo research map.
Other climbers: Emily Sharpe — not yet · Shawn D Keil — ✓ all
Peaks covered¶
| Sunshine Mtn A | PT 13,094 | |
|---|---|---|
| Elevation (LiDAR) | 13,329' (pre-LiDAR 13,321') | 13,094' (pre-LiDAR 13,093'; 14ers ~13,099') |
| Lat / Lon | 37.99556, −107.50870 | 37.99263, −107.53414 |
| Class (standard) | 2 | 2 |
| CO Rank | 371 | 571 |
| Prominence | 1,088' | 348' |
| Range | San Juan (Uncompahgre / American Flats) | San Juan (Uncompahgre / American Flats) |
| 14ers.com | 10446 | 10566 |
| LoJ | 468 | 725 |
| peakbagger | pid 15112 | pid 19480 |
| Peak DB id | 468 | 725 |
The two summits are ~1.4 mi apart on a connecting ridge above the American Flats benches — a natural, well-established pairing. Every trip report that hits either peak does both in one outing, almost always with sub-13k Dolly Varden Mountain (12,935') in between:
- whileyh (2020-07-06) — Sunshine + PT 13,094 + Dolly Varden (the clean combo)
- josephnephi (2023-05-29) — Dolly Varden + Sunshine + PT 13,094
- Alyson Kirk (2016-07-03) — "Dragon's Back" + Sunshine + PT 13,094 + Blackwall + Dolly Varden + PT 12,916 (a big American Flats traverse; Dragon's Back needs a 30 m rope)
Combos (ranked-13er+ rule): Sunshine (13,329') and PT 13,094 are both ranked, so they count as a true ranked pair for each other. Dolly Varden is a sub-13k bump on the connecting ridge (nice to grab, doesn't count). The neighboring ranked peaks (Blackwall, Wildhorse, Coxcomb, Redcliff, Wood Mtn, Gudy) are already done — this pairing cleans up the two unclimbed ranked points in the American Flats pocket.
Recommended plan — Henson Creek / American Flats, the Sunshine ↔ 13,094 ridge ⭐¶
The standard and most efficient line for the pair (whileyh 2020, josephnephi 2023).
Combo stats:
| Source track | Peaks | Distance | Gain |
|---|---|---|---|
| whileyh 2020 (LoJ 8394) | Sunshine + PT 13,094 (+Dolly Varden) | 6.8 mi | ~3,343' |
| josephnephi 2023 (LoJ 14319) | Dolly Varden + Sunshine + PT 13,094 | 6.4 mi | ~5,430' |
| Alyson Kirk 2016 (LoJ 2267) | Dragon's Back + Sunshine + 13,094 + Blackwall + Dolly Varden + 12,916 | 16.2 mi | ~6,537' |
Expect roughly ~6.5 mi and ~3,300–5,400 ft for the clean two-peak day (gain depends on how high the road is driven). A moderate Class 2 day — well under a big-mountain effort.
Route sequence¶
- From the combo TH (~11,000') on the Henson Creek / American Flats spur, climb toward the PT 13,094 ↔ Sunshine ridge.
- Tag PT 13,094 (13,094', Class 2) and Sunshine Mtn A (13,329', Class 2) along the ~1.4 mi connecting ridge — grab Dolly Varden Mtn (12,935') in between if you want the easy bonus.
- Descend back to the TH. The ridge is tundra/talus Class 2 throughout — no technical sections on the standard line.
Optional bigger day: the Alyson Kirk traverse adds "Dragon's Back" (12,973', a roped scramble — 30 m rope for the first pitch and summit pitch) + Blackwall + PT 12,916 for a 16-mi American Flats tour. Only if you want the scramble; not needed for the two ranked objectives.
Per-peak route notes¶
- Sunshine Mtn A — Class 2; the higher, more prominent of the pair (1,088' prominence). Standard tundra/talus ridge from the PT 13,094 side.
- PT 13,094 — Class 2; the lower ranked point 1.4 mi W. No formal 14ers route description (route beta is TR-only). 14ers/USGS may label it 13,099'.
Getting there — Henson Creek / American Flats¶
| Drive from Boulder | 7h 31m via Google Maps (~367 mi, origin: 1162 Peakview Circle; via US-285 + US-50 to Lake City) |
| Access corridor | Henson Creek Rd (Hinsdale CR 20) from Lake City — the Engineer Pass road toward Capitol City / American Flats |
| Combo trailhead | ~37.978, −107.541, ~11,000' (spur off the Henson Creek / Engineer Pass corridor). High-clearance/4WD for the upper road. |
| Note | This is a long haul (~7.5 hr each way, far SW Colorado) — best as an overnight/car-camp out of Lake City, not a Boulder day trip. |
Permits / access:
- American Flats Wilderness Study Area / Uncompahgre NF–BLM — no permits; the summits are not in designated wilderness (per peak_db), though the area abuts the Uncompahgre Wilderness. Standard Leave No Trace.
- Henson Creek Rd / Engineer Pass: a serious high-clearance 4WD route up high — check conditions before committing the upper road.
Gear & season¶
- Best window: July through September. High San Juan tundra; the Henson Creek / Engineer Pass road network opens late and is a rough 4WD up high.
- Snow: josephnephi's late-May outing caught snow (higher gain) — expect lingering snow into early summer on N aspects and the upper road.
- Storms: standard San Juan afternoon monsoon exposure on the open ridge — early start, off the high ground by early afternoon.
- Terrain: Class 2 tundra/talus on the standard line; no technical difficulty (Dragon's Back, a roped option, is separate).
Cell coverage:
- 14ers.com community DB: no submitted reception reports for these summits.
- Geographic reasoning: the Henson Creek approach and basin are almost certainly dead — deep in the Lake City / Engineer Pass backcountry. Summits may catch intermittent signal but treat it as unreliable.
- Standard recommendation: carry an InReach / satellite messenger — remote, long way from help.
Trip reports & GPX (all three sources)¶
Sources confirmed logged in: 14ers.com ("Basin"), listsofjohn.com ("letsgocu"), peakbagger.com ("Kyle Knutson"). 7 GPX tracks swept (LoJ combos + peakbagger ascents) and layered on the CalTopo map, colored by source.
listsofjohn.com¶
| Date | Author | Peaks | GPX |
|---|---|---|---|
| 2020-07-06 | whileyh | Sunshine + PT 13,094 + Dolly Varden | 8394 ⭐ clean combo |
| 2023-05-29 | josephnephi | Dolly Varden + Sunshine + PT 13,094 | 14319 (late-May snow) |
| 2016-07-03 | Alyson Kirk | Dragon's Back + Sunshine + 13,094 + Blackwall + Dolly Varden + 12,916 | 2267 — big traverse |
14ers.com (logged in, "Basin")¶
Peak pages exist for both; no formal route descriptions (route beta is TR-only).
peakbagger.com (logged in, "Kyle Knutson")¶
Ascent GPX pulled for both — Sunshine (pid 15112) and PT 13,094 (pid 19480), 2 ascent tracks each — layered on the CalTopo map.
Sources checked: 14ers.com ✓ (logged in, "Basin") · listsofjohn.com ✓ (logged in, "letsgocu") · peakbagger.com ✓ (logged in, "Kyle Knutson")