Lake Umatilla Boat Ramps
7 boat launches are mapped on Lake Umatilla in Umatilla County, Gilliam County, Morrow County, Oregon.
5 of these launches include facility details from Oregon State Marine Board.
Lake Umatilla facts
| Surface area | 50,042 acres |
|---|---|
| Type | Reservoir |
| Average depth | about 11 ft (normal storage ÷ surface area) |
| Shoreline length | about 1.1 miles |
| Surface elevation | 265 ft above sea level |
| Dam | John Day Lock And Dam, completed 1968 |
| Dam size | 230 ft high, 5,900 ft long, earth dam |
| Dam purposes | Navigation, Other, Irrigation, Recreation, Hydroelectric, Flood Risk Reduction |
| Dam owner | USACE - Portland District (Federal) |
| Normal storage | 530,000 acre-feet |
| Impounded stream | Columbia River |
| Navigation locks | 1 |
Sources: USGS National Hydrography Dataset (public domain); HydroLAKES v1.0 (Messager et al. 2016, CC BY 4.0); U.S. Army Corps of Engineers National Inventory of Dams (NID ID OR00011). Matched to this page by name and location; modelled values are approximate. See all sources.
- Umatilla MarinaUmatilla · Lake Umatilla · fee: yes
- Port of Arlington RampArlington · Lake Umatilla · fee: yes
- Boardman Marina ParkBoardman · Lake Umatilla · fee: yes
- Irrigon Marina RampIrrigon · Lake Umatilla · fee: yes
- Lake Umatilla Boat Rampnear Arlington · Lake Umatilla
- Luchnear Arlington · Lake Umatilla
- Luchnear Arlington · Lake Umatilla · fee: yes
Counties
- Morrow County (5)
- Gilliam County (1)
- Umatilla County (1)