Montana stocking report
Olnhauser Lake
Last reported stocking
The latest reported stocking at Olnhauser Lake was on August 1, 1968: 600 Largemouth Bass (2 in avg).
Record last checked: . This is not a stocking date.
Source: Montana Fish, Wildlife & Parks.
A schedule is a plan, not confirmation that fish were released. Stocking records do not guarantee fish are still available.
No current or upcoming schedule is in this archive. Check the official report before choosing a trip date.
Location map
Olnhauser Lake location context
Pins appear only when the record includes coordinates; they are not verified access points. Shaded counties show area context only. Waters without coordinates stay in the list without a pin; confirm access and directions with the official agency source.
Before you go
Plan a trip to Olnhauser Lake
Check the latest report
Confirm dates and any changes in the official stocking report. Historical schedules are kept below even after their planned dates pass.
Check access and fishing rules
Use Montana's official fishing information to find current guidance. Confirm the exact water, public access, closures, and applicable fishing rules before leaving.
Choose the right location
The map gives location context. A shaded county is area context, not directions to a fishing spot or evidence of public access.
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Stocking history
4 records from September 25, 1944 to August 1, 1968. Open a year to browse its records; scroll tables sideways for all columns. Scheduled means planned, even when the date has passed. Blank fields mean the source did not publish that detail.
1968 1 record
| Date / status | Species | Fish | Size | Hatchery | Source |
|---|---|---|---|---|---|
| August 1, 1968 reported | Largemouth Bass | 600 | 2 in avg | Miles City - Federal | Montana Fish, Wildlife & Parks |
1960 1 record
| Date / status | Species | Fish | Size | Hatchery | Source |
|---|---|---|---|---|---|
| April 2, 1960 reported | Rainbow Trout | 460 | 5 in avg | Yellowstone River Trout Hatchery | Montana Fish, Wildlife & Parks |
1944 2 records
| Date / status | Species | Fish | Size | Hatchery | Source |
|---|---|---|---|---|---|
| October 9, 1944 reported | Largemouth Bass | 100 | 3 in avg | Miles City - Federal | Montana Fish, Wildlife & Parks |
| September 25, 1944 reported | Crappie | 200 | 1 in avg | Miles City - Federal | Montana Fish, Wildlife & Parks |
Records retain the dates, quantities, and status supplied by the linked agencies. An event missing here does not mean the water was not stocked - some plants go unreported or are published elsewhere.
Grouped by county and sorted by latest record, not by driving distance. Confirm access for each water.
Data source: Montana Fish, Wildlife & Parks. A record for this water was last checked on . This check date is not a stocking date.
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