Print it. Bag it. Bring it.Phones die, screens crack, and most of this water has no signal. Print this map, fold it into a zip-top bag or dry bag with your license, and you have a backup your electronics can’t give you. Every marker is numbered so you can say exactly where you are.
| # | Point | Type | Lat, Lon | Notes |
|---|---|---|---|---|
| 1 | High Bridge Montana FWP fishing access site | Access / boat ramp | 45.01781, -112.83749 | Top of the tailwater, about 4 miles below Clark Canyon Dam. FWP directions: 14 miles south of Dillon on I-15 to the recreation road exit, then 4 miles south under the I-15 bridge. |
| 2 | Henneberry Montana FWP fishing access site | Access / boat ramp | 45.05969, -112.81502 | Second ramp down the canyon reach. FWP directions: 14 miles south of Dillon on I-15 to the recreation road exit, then 2 miles south at the I-15 underpass. |
| 3 | Pipe Organ Montana FWP fishing access site | Access / boat ramp | 45.06561, -112.80037 | FWP directions: 14 miles south of Dillon on I-15 to the Dalys exit, then 1.5 miles to the site just over the bridge. |
| 4 | Grasshopper Montana FWP fishing access site | Access / boat ramp | 45.10008, -112.77756 | FWP directions: about 11 miles south of Dillon on I-15, Grasshopper exit, then follow the boat ramp signs. |
| 5 | Poindexter Slough Montana FWP fishing access site | Access / boat ramp | 45.18547, -112.67877 | Walk-in spring-creek side channel of the Beaverhead just southwest of Dillon, not a float access - no ramp. |
| 6 | Blacktail Meadows Montana FWP fishing access site | Access / boat ramp | 45.22375, -112.63780 | In-town Dillon access. FWP directions: from Dillon go to the I-15 interchange at the north end of town and turn on Swenson Way. |
| 7 | Frontier Anglers 680 N Montana St, Dillon | Bait, tackle & fly shop | 45.22188, -112.63226 | Fly shop on the Beaverhead in Dillon. Placed on the street address rather than a mapped shop outline - check the storefront on arrival. |
| 8 | Selway Park Montana FWP fishing access site | Access / boat ramp | 45.23510, -112.62520 | North edge of Dillon. FWP directions: Selway Drive off Laknar Road. |
| 9 | USGS 06018500 - Beaverhead River near Twin Bridges USGS streamgage | USGS gauge | 45.38339, -112.45283 | The gauge this water page reads. Lowest point on this sheet; the river meets the Big Hole a few miles downstream at Twin Bridges. |
Gauge: USGS 06018500 — Beaverhead River near Twin Bridges MT. Live flow on the web page.
Species: Brown Trout, Mountain Whitefish, Rainbow Trout
Regulations: fwp.mt.gov/fish/regulations
Emergency: call 911 and give the number of the nearest point on this map plus its coordinates.
Clark Canyon Dam: the top of the tailwater, boat ramp below the dam.
Buffalo Bridge and Pipe Organ: upper-river accesses in the technical water.
Barretts Diversion: the standard upper takeout and a common put-in.
High Bridge and Selway: middle river accesses above and below Dillon.
Dillon town access: parking, ramp and easy wade water.
Anderson Lane and Giem: lower river ramps toward Twin Bridges.
Twin Bridges: the confluence with the Big Hole at the bottom of the river.
March through May: pre-irrigation flows, streamers and the first good dry fly days.
June through August: high irrigation releases up top; the lower river fishes better.
Late August and September: crane flies and hoppers, dropping flows, the best weeks of the year.
October and November: brown trout on streamers, low water and cold mornings; winter flows are minimal.