| Title: | Duffy Lake |
| Area: | Mt Jefferson Wilderness |
| Size: | 31 Acres |
| Depth: | 30 Feet |
| Elevation: | 4793 Feet |
| Elevation_Gain: | 793 |
| Snow_Free: | Jun 16 |
| Camp_Sites: | 12 |
| Trail: | Duffy Lake Trail |
| Misc: | Normally stocked every other year with brook trout and some times rainbow trout or cutthrout trout. |
| Links: | Duffy Lake Trail
Trip Journal - 9/7/82, 6/30/04
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| Notes: | The Duffy Lake Trail sees a lot of use by hikers and backpackers, and by horse-packers from Big Meadows Horse Camp. Designated Campsites must be used if camping within 250' of the lake shore. |
| Trail_Number: | 3427 |
| Route: | From Salem take Highway 22 east to Big Meadows Road @ MP 76, then 3 miles to Duffy Lake Trailhead. Northest Forest Pass required to park |
| TH_Access: | May 20 |
| TH_elevation: | 4000 |
| Distance: | 3.5 |
| Features: | camping |
| USGS_15: | Three Fingered Jack |
| USGS_75: | Santiam Junction |
| Reference: | Mt Jefferson Wilderness Guidebook by George / Fishing in Oregon by Sheehan / 100 Hikes Central Oregon Cascades by Sullivan |

National Forest |

Three Fingered Jack from Duffy Lake - - November 8, 2001 |

Duffy Butte - - - November 8, 2001 |

Duffy Butte - - - June 30, 2004 (after B & B Complex Fire of 2003) |
| Type: | Lake |
| Backpack: | yes |
| Fishing: | yes |
| Scenic: | yes |
| Wildflowers: | yes |