Rainbow Lake
Itasca County, Minnesota, near Bigfork. DNR lake ID 31029700.
Rainbow Lake is a 14-acre lake in Itasca County, Minnesota, near Bigfork. Its deepest point reaches 23 ft. Summer water clarity averages 13.1 feet in Minnesota Pollution Control Agency monitoring. It is not on the DNR infested waters list as of September 2026.
Buying or selling on Rainbow Lake? Ask us what lakeshore here actually sells for, which stretches of shoreline buyers compete for, and what’s coming up before it’s listed.
Tell us about your dream home on Rainbow LakeWhat’s my Rainbow Lake property worth?Call (218) 656-6469
Quick facts
| DNR lake ID | 31029700 |
|---|---|
| County | Itasca County, near Bigfork |
| Surface area | 14 acres |
| Maximum depth | 23 ft |
| Share under 15 ft | Not surveyed |
| Water clarity (summer) | 13.1 ft through 2025 (satellite estimate) |
| Invasive species | Not on DNR infested waters list (Sept 2026) |
| Public water accesses | 0 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2025: clarity 13.1 ft.
Fishing regulations
No lake-specific regulation found in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Regulations change. Confirm with the DNR before fishing.
Invasive species
Not on the Minnesota DNR infested waters list as of September 2026. That means no confirmed listing, not a guarantee the lake is free of invasive species.
Public boat access
No public water access on DNR record.
Nearby lakes
- Kelly Lake 0.3 mi, Itasca County
- Walters Lake 0.4 mi, Itasca County
- Otter Lake 0.9 mi, Itasca County
- Long Lake 1.0 mi, Itasca County
- May Lake 1.0 mi, Itasca County
- Owen Lake 1.2 mi, Itasca County
- Bartlet Lake 1.6 mi, Itasca County
- Link Lake 1.8 mi, Itasca County
Questions about Rainbow Lake
How deep is Rainbow Lake?
Rainbow Lake reaches a maximum depth of 23 ft according to Minnesota DNR records.
How big is Rainbow Lake?
Rainbow Lake covers about 14 acres in Itasca County, Minnesota.
How clear is Rainbow Lake?
Summer water clarity on Rainbow Lake averages 13.1 feet (Secchi depth) in MPCA monitoring through 2025.
Does Rainbow Lake have zebra mussels or other invasive species?
Rainbow Lake is not on the Minnesota DNR infested waters list as of September 2026. That means there is no confirmed listing; it is not a guarantee the lake is free of invasive species.
Are there lake homes for sale on Rainbow Lake?
Homes on Rainbow Lake come up for sale throughout the year, and some sell before they’re ever publicly advertised. Tell us what you’re looking for and our agents will run a custom search and send you matching homes on Rainbow Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Rainbow Lake?
Small, quiet water suited to paddling and fishing, and summer clarity around 13.1 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Rainbow Lake?
No lake-specific regulation was found for Rainbow Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Rainbow Lake
Whether you’re buying, selling, or just curious, our team works Itasca County lakes every day. Send us a note or call (218) 656-6469.
Sources: Minnesota DNR LakeFinder records, DNR fish surveys (latest not on record), DNR infested waters list (Sept 2026), Minnesota Rules 6264.0400 (April 2026), MPCA monitoring via the Water Quality Portal, DNR water access records (2023), LAGOS-US. Lakewide information from public data; it does not describe any specific property. Verify shoreline, bottom type, and depth at any frontage.