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146-acre lake near Granite. The lake tops out around 80 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. What follows comes from the same scoring engine that paints the spots above.
Traced from the shoreline, Olive Lake runs 147 acres with 2.7 miles of edge. Index 1.6 on the shoreline: a few honest points and pockets, nothing labyrinthine. Roughly 18% of the water is 15 ft or less, the band where the food chain lives. Figure 0.9 mi of water from one end to the other, 0.5 mi at the beam. The water lies in Grant County. For a second option, Anthony Lakes lies 22 mi northeast.
Start shallow in spring: rainbow trout sit in 5 to 20 ft that time of year. Warm water sends them out to 8 to 30 ft; cold water stacks them in 8 to 40 ft. Top water on the chart: Break off the point, a drop-off in the 40 ft range, prime in winter. Fish it in early morning and the evening and you'll meet the bite. Throw a dodger + spoon (deep troll) or a flutter spoon until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Main-lake point (19 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Main-lake point (19 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (19 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Break off the point (40 ft) | Jigging spoon, Tube jig (white) |
Olive Lake carries 6 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 80 ft down.
Access data: Oregon State Marine Board — Boating Access. Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for Oregon waters are set by the Oregon Department of Fish and Wildlife — and special regulations can apply to Olive Lake specifically, so confirm the current rules before you fish.
Check the official Oregon fishing regulations →
Olive Lake is about 80 ft (24 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Anglers target rainbow trout on Olive Lake.
Break off the point is the top-rated area: a drop-off in about 40 ft of water that rates prime for rainbow trout in winter. The interactive chart above rates every spot for each species and season.
For rainbow trout, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on Olive Lake is regulated by the Oregon Department of Fish and Wildlife. Check the official Oregon regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Anthony Lakes 22 mi · Van Patten Lake 24 mi · Strawberry Lake 33 mi · Malheur Reservoir 53 mi · Beulah Reservoir 63 mi · Ice Lake 72 mi · Brownlee Reservoir 77 mi, ID/OR · Bully Creek Reservoir 79 mi · Cold Springs Reservoir 79 mi · John Day River 80 mi · Mann Creek Reservoir 88 mi, ID · Hornet Reservoir 92 mi, ID
See how Olive Lake stacks up: best rainbow trout lakes in Oregon
Browse all Oregon fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.